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52186838 = 21117139537
BaseRepresentation
bin1100011100010…
…0111011010110
310122012100212212
43013010323112
5101324434323
65102313422
71202403134
oct307047326
9118170785
1052186838
1127504820
1215588872
13aa728b2
146d06754
1548acb78
hex31c4ed6

52186838 has 16 divisors (see below), whose sum is σ = 90420624. Its totient is φ = 22325760.

The previous prime is 52186829. The next prime is 52186843. The reversal of 52186838 is 83868125.

It is a junction number, because it is equal to n+sod(n) for n = 52186795 and 52186804.

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, 69395 + ... + 70142.

It is an arithmetic number, because the mean of its divisors is an integer number (5651289).

Almost surely, 252186838 is an apocalyptic number.

52186838 is a deficient number, since it is larger than the sum of its proper divisors (38233786).

52186838 is a wasteful number, since it uses less digits than its factorization.

52186838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139567.

The product of its digits is 92160, while the sum is 41.

The square root of 52186838 is about 7224.0458193453. The cubic root of 52186838 is about 373.6976165478.

The spelling of 52186838 in words is "fifty-two million, one hundred eighty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 11 17 22 34 187 374 139537 279074 1534907 2372129 3069814 4744258 26093419 52186838