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512107872 = 25314293733
BaseRepresentation
bin11110100001100…
…010010101100000
31022200121202221020
4132201202111200
52022044422442
6122452125440
715455562603
oct3641422540
91280552836
10512107872
11243087251
12123606880
1382134213
144c02833a
152ee5a9ec
hex1e862560

512107872 has 48 divisors (see below), whose sum is σ = 1345584240. Its totient is φ = 170537472.

The previous prime is 512107829. The next prime is 512107873. The reversal of 512107872 is 278701215.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512107873) 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, 135318 + ... + 139050.

It is an arithmetic number, because the mean of its divisors is an integer number (28033005).

Almost surely, 2512107872 is an apocalyptic number.

It is an amenable number.

512107872 is an abundant number, since it is smaller than the sum of its proper divisors (833476368).

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

512107872 is a wasteful number, since it uses less digits than its factorization.

512107872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175 (or 5167 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 512107872 is about 22629.8005293904. The cubic root of 512107872 is about 800.0561793881.

The spelling of 512107872 in words is "five hundred twelve million, one hundred seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1429 2858 3733 4287 5716 7466 8574 11199 11432 14932 17148 22398 22864 29864 34296 44796 45728 59728 68592 89592 119456 137184 179184 358368 5334457 10668914 16003371 21337828 32006742 42675656 64013484 85351312 128026968 170702624 256053936 512107872