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52903072 = 254338447
BaseRepresentation
bin1100100111001…
…1110010100000
310200112202101001
43021303302200
5102020344242
65125521344
71211445235
oct311636240
9120482331
1052903072
1127953952
1215873254
13ac638c1
14705178c
15499eeb7
hex3273ca0

52903072 has 24 divisors (see below), whose sum is σ = 106577856. Its totient is φ = 25835712.

The previous prime is 52903057. The next prime is 52903073. The reversal of 52903072 is 27030925.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52903072.

It is not an unprimeable number, because it can be changed into a prime (52903073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17848 + ... + 20599.

It is an arithmetic number, because the mean of its divisors is an integer number (4440744).

Almost surely, 252903072 is an apocalyptic number.

It is an amenable number.

52903072 is an abundant number, since it is smaller than the sum of its proper divisors (53674784).

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

52903072 is a wasteful number, since it uses less digits than its factorization.

52903072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38500 (or 38492 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 52903072 is about 7273.4498004730. The cubic root of 52903072 is about 375.3994487279.

Adding to 52903072 its reverse (27030925), we get a palindrome (79933997).

The spelling of 52903072 in words is "fifty-two million, nine hundred three thousand, seventy-two".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 38447 76894 153788 307576 615152 1230304 1653221 3306442 6612884 13225768 26451536 52903072