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52749192 = 23318112143
BaseRepresentation
bin1100100100111…
…0001110001000
310200020221021210
43021032032020
5102000433232
65122333120
71210234506
oct311161610
9120227253
1052749192
1127859281
12157ba1a0
13ac0b852
147011676
15496e5cc
hex324e388

52749192 has 32 divisors (see below), whose sum is σ = 132612480. Its totient is φ = 17484480.

The previous prime is 52749163. The next prime is 52749209. The reversal of 52749192 is 29194725.

It is a self number, because there is not a number n which added to its sum of digits gives 52749192.

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 7 ways as a sum of consecutive naturals, for example, 1728 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (4144140).

Almost surely, 252749192 is an apocalyptic number.

It is an amenable number.

52749192 is an abundant number, since it is smaller than the sum of its proper divisors (79863288).

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

52749192 is a wasteful number, since it uses less digits than its factorization.

52749192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333 (or 12329 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 52749192 is about 7262.8638979400. The cubic root of 52749192 is about 375.0351184889.

The spelling of 52749192 in words is "fifty-two million, seven hundred forty-nine thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 181 362 543 724 1086 1448 2172 4344 12143 24286 36429 48572 72858 97144 145716 291432 2197883 4395766 6593649 8791532 13187298 17583064 26374596 52749192