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512636042 = 21198721383
BaseRepresentation
bin11110100011100…
…011010010001010
31022201121121110002
4132203203102022
52022213323132
6122511323002
715463222502
oct3643432212
91281547402
10512636042
11243408056
12123820462
138228a749
144c124a02
1530012262
hex1e8e348a

512636042 has 8 divisors (see below), whose sum is σ = 769054176. Its totient is φ = 256284652.

The previous prime is 512636027. The next prime is 512636051. The reversal of 512636042 is 240636215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 512635996 and 512636014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13283 + ... + 34665.

It is an arithmetic number, because the mean of its divisors is an integer number (96131772).

Almost surely, 2512636042 is an apocalyptic number.

512636042 is a deficient number, since it is larger than the sum of its proper divisors (256418134).

512636042 is a wasteful number, since it uses less digits than its factorization.

512636042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33372.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 512636042 is about 22641.4673111086. The cubic root of 512636042 is about 800.3311347933.

The spelling of 512636042 in words is "five hundred twelve million, six hundred thirty-six thousand, forty-two".

Divisors: 1 2 11987 21383 23974 42766 256318021 512636042