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252023816 = 23112863907
BaseRepresentation
bin11110000010110…
…01010000001000
3122120020010200102
433001121100020
51004004230231
641001424532
76150111212
oct1701312010
9576203612
10252023816
1111a296250
127049b148
13402a0925
14256855b2
15171d3acb
hexf059408

252023816 has 16 divisors (see below), whose sum is σ = 515503440. Its totient is φ = 114556240.

The previous prime is 252023789. The next prime is 252023887. The reversal of 252023816 is 618320252.

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, 1431866 + ... + 1432041.

It is an arithmetic number, because the mean of its divisors is an integer number (32218965).

Almost surely, 2252023816 is an apocalyptic number.

It is an amenable number.

252023816 is an abundant number, since it is smaller than the sum of its proper divisors (263479624).

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

252023816 is a wasteful number, since it uses less digits than its factorization.

252023816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863924 (or 2863920 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 252023816 is about 15875.2579821558. The cubic root of 252023816 is about 631.6558573426.

The spelling of 252023816 in words is "two hundred fifty-two million, twenty-three thousand, eight hundred sixteen".

Divisors: 1 2 4 8 11 22 44 88 2863907 5727814 11455628 22911256 31502977 63005954 126011908 252023816