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52851236 = 2219695411
BaseRepresentation
bin1100100110011…
…1001000100100
310200110010021012
43021213020210
5102012214421
65124441352
71211141144
oct311471044
9120403235
1052851236
1127918a09
1215849258
13ac46129
14703a924
15498e95b
hex3267224

52851236 has 12 divisors (see below), whose sum is σ = 97357680. Its totient is φ = 25034760.

The previous prime is 52851221. The next prime is 52851241. The reversal of 52851236 is 63215825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347630 + ... + 347781.

It is an arithmetic number, because the mean of its divisors is an integer number (8113140).

Almost surely, 252851236 is an apocalyptic number.

It is an amenable number.

52851236 is a deficient number, since it is larger than the sum of its proper divisors (44506444).

52851236 is a wasteful number, since it uses less digits than its factorization.

52851236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695434 (or 695432 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 52851236 is about 7269.8855561831. The cubic root of 52851236 is about 375.2767994870.

The spelling of 52851236 in words is "fifty-two million, eight hundred fifty-one thousand, two hundred thirty-six".

Divisors: 1 2 4 19 38 76 695411 1390822 2781644 13212809 26425618 52851236