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52902144 = 283222961
BaseRepresentation
bin1100100111001…
…1100100000000
310200112201002200
43021303210000
5102020332034
65125513200
71211442441
oct311634400
9120481080
1052902144
1127953189
1215872800
13ac63359
1470512c8
15499ea99
hex3273900

52902144 has 54 divisors (see below), whose sum is σ = 152536566. Its totient is φ = 17633280.

The previous prime is 52902133. The next prime is 52902163. The reversal of 52902144 is 44120925.

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 4460544 = 6960^2 + 2112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9177 + ... + 13784.

Almost surely, 252902144 is an apocalyptic number.

It is an amenable number.

52902144 is an abundant number, since it is smaller than the sum of its proper divisors (99634422).

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

52902144 is a wasteful number, since it uses less digits than its factorization.

52902144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22983 (or 22966 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52902144 is about 7273.3860065309. The cubic root of 52902144 is about 375.3972536901.

The spelling of 52902144 in words is "fifty-two million, nine hundred two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 22961 45922 68883 91844 137766 183688 206649 275532 367376 413298 551064 734752 826596 1102128 1469504 1653192 2204256 2939008 3306384 4408512 5878016 6612768 8817024 13225536 17634048 26451072 52902144