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52508904 = 2337312553
BaseRepresentation
bin1100100001001…
…1100011101000
310122210201200020
43020103203220
5101420241104
65113240440
71205214120
oct310234350
9118721606
1052508904
1127704798
1215703120
13ab56376
146d8bc80
1549232d9
hex32138e8

52508904 has 32 divisors (see below), whose sum is σ = 150025920. Its totient is φ = 15002496.

The previous prime is 52508899. The next prime is 52508909. The reversal of 52508904 is 40980525.

It is an interprime number because it is at equal distance from previous prime (52508899) and next prime (52508909).

It is not an unprimeable number, because it can be changed into a prime (52508909) by changing a digit.

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, 156109 + ... + 156444.

It is an arithmetic number, because the mean of its divisors is an integer number (4688310).

Almost surely, 252508904 is an apocalyptic number.

It is an amenable number.

52508904 is an abundant number, since it is smaller than the sum of its proper divisors (97517016).

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

52508904 is a wasteful number, since it uses less digits than its factorization.

52508904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312569 (or 312565 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 52508904 is about 7246.3027814189. The cubic root of 52508904 is about 374.4647867103.

The spelling of 52508904 in words is "fifty-two million, five hundred eight thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 312553 625106 937659 1250212 1875318 2187871 2500424 3750636 4375742 6563613 7501272 8751484 13127226 17502968 26254452 52508904