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890880 = 2113529
BaseRepresentation
bin11011001100000000000
31200021001120
43121200000
5212002010
631032240
710400214
oct3314000
91607046
10890880
11559371
1236b680
13252663
14192944
15128e70
hexd9800

890880 has 96 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 229376.

The previous prime is 890867. The next prime is 890881. The reversal of 890880 is 88098.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30706 + ... + 30734.

2890880 is an apocalyptic number.

890880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474200).

890880 is an abundant number, since it is smaller than the sum of its proper divisors (2057520).

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

890880 is a wasteful number, since it uses less digits than its factorization.

890880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 890880 is about 943.8643970402. The cubic root of 890880 is about 96.2217097944.

It can be divided in two parts, 890 and 880, that added together give a triangular number (1770 = T59).

The spelling of 890880 in words is "eight hundred ninety thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 256 290 320 348 384 435 464 480 512 580 640 696 768 870 928 960 1024 1160 1280 1392 1536 1740 1856 1920 2048 2320 2560 2784 3072 3480 3712 3840 4640 5120 5568 6144 6960 7424 7680 9280 10240 11136 13920 14848 15360 18560 22272 27840 29696 30720 37120 44544 55680 59392 74240 89088 111360 148480 178176 222720 296960 445440 890880