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512935428 = 223241117729
BaseRepresentation
bin11110100100101…
…100011000000100
31022202011211010110
4132210230120010
52022302413203
6122521553020
715465610365
oct3644543004
91282154113
10512935428
112435a1a85
12123945770
1382363ab5
144c1a1b6c
1530070d03
hex1e92c604

512935428 has 24 divisors (see below), whose sum is σ = 1197413280. Its totient is φ = 170897920.

The previous prime is 512935427. The next prime is 512935447. The reversal of 512935428 is 824539215.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (512935427) 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, 20068 + ... + 37796.

It is an arithmetic number, because the mean of its divisors is an integer number (49892220).

Almost surely, 2512935428 is an apocalyptic number.

It is an amenable number.

512935428 is an abundant number, since it is smaller than the sum of its proper divisors (684477852).

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

512935428 is a wasteful number, since it uses less digits than its factorization.

512935428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20147 (or 20145 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 512935428 is about 22648.0777992306. The cubic root of 512935428 is about 800.4869056768.

The spelling of 512935428 in words is "five hundred twelve million, nine hundred thirty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 2411 4822 7233 9644 14466 17729 28932 35458 53187 70916 106374 212748 42744619 85489238 128233857 170978476 256467714 512935428