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512042904 = 23332370569
BaseRepresentation
bin11110100001010…
…010011110011000
31022200111110211000
4132201102132120
52022040333104
6122450505000
715455202312
oct3641223630
91280443730
10512042904
1124304245a
12123595160
1382110789
144c00c7b2
152ee46639
hex1e852798

512042904 has 32 divisors (see below), whose sum is σ = 1422342000. Its totient is φ = 170680896.

The previous prime is 512042893. The next prime is 512042929. The reversal of 512042904 is 409240215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185069 + ... + 1185500.

Almost surely, 2512042904 is an apocalyptic number.

512042904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

512042904 is an abundant number, since it is smaller than the sum of its proper divisors (910299096).

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

512042904 is a wasteful number, since it uses less digits than its factorization.

512042904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370584 (or 2370574 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 512042904 is about 22628.3650315263. The cubic root of 512042904 is about 800.0223452092.

The spelling of 512042904 in words is "five hundred twelve million, forty-two thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 2370569 4741138 7111707 9482276 14223414 18964552 21335121 28446828 42670242 56893656 64005363 85340484 128010726 170680968 256021452 512042904