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920272896 = 21432792
BaseRepresentation
bin110110110110100…
…100000000000000
32101010122201002100
4312312210000000
53341042213041
6231152350400
731543122234
oct6666440000
92333581070
10920272896
11432519714
12218245400
1311887409a
148a3165c4
1555bd36b6
hex36da4000

920272896 has 135 divisors (see below), whose sum is σ = 2692562691. Its totient is φ = 302874624.

The previous prime is 920272891. The next prime is 920272907. The reversal of 920272896 is 698272029.

The square root of 920272896 is 30336.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×9202728962 = 1693804406224453632, which contains 22 as substring.

It is a nialpdrome in base 8.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (920272891) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11648985 + ... + 11649063.

Almost surely, 2920272896 is an apocalyptic number.

920272896 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

920272896 is the 30336-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920272896

920272896 is an abundant number, since it is smaller than the sum of its proper divisors (1772289795).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920272896 is an frugal number, since it uses more digits than its factorization.

920272896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The cubic root of 920272896 is about 972.6849817846.

The spelling of 920272896 in words is "nine hundred twenty million, two hundred seventy-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 79 96 128 144 158 192 237 256 288 316 384 474 512 576 632 711 768 948 1024 1152 1264 1422 1536 1896 2048 2304 2528 2844 3072 3792 4096 4608 5056 5688 6144 6241 7584 8192 9216 10112 11376 12288 12482 15168 16384 18432 18723 20224 22752 24576 24964 30336 36864 37446 40448 45504 49152 49928 56169 60672 73728 74892 80896 91008 99856 112338 121344 147456 149784 161792 182016 199712 224676 242688 299568 323584 364032 399424 449352 485376 599136 647168 728064 798848 898704 970752 1198272 1294336 1456128 1597696 1797408 1941504 2396544 2912256 3195392 3594816 3883008 4793088 5824512 6390784 7189632 9586176 11649024 12781568 14379264 19172352 25563136 28758528 38344704 51126272 57517056 76689408 102252544 115034112 153378816 230068224 306757632 460136448 920272896