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53658272 = 253154091
BaseRepresentation
bin1100110010110…
…0001010100000
310201222010022102
43030230022200
5102214031042
65154025532
71221042053
oct314541240
9121863272
1053658272
112831a288
1215b782a8
13b169575
1471aaa9a
154a9db32
hex332c2a0

53658272 has 24 divisors (see below), whose sum is σ = 109049472. Its totient is φ = 25963200.

The previous prime is 53658247. The next prime is 53658277. The reversal of 53658272 is 27285635.

It is a super-4 number, since 4×536582724 (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (53658277) 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, 26054 + ... + 28037.

It is an arithmetic number, because the mean of its divisors is an integer number (4543728).

Almost surely, 253658272 is an apocalyptic number.

It is an amenable number.

53658272 is an abundant number, since it is smaller than the sum of its proper divisors (55391200).

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

53658272 is a wasteful number, since it uses less digits than its factorization.

53658272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54132 (or 54124 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 53658272 is about 7325.1806803655. The cubic root of 53658272 is about 377.1773117764.

The spelling of 53658272 in words is "fifty-three million, six hundred fifty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 54091 108182 216364 432728 865456 1676821 1730912 3353642 6707284 13414568 26829136 53658272