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53401188 = 22341311349
BaseRepresentation
bin1100101110110…
…1011001100100
310201111001122210
43023231121210
5102132314223
65144323420
71215621411
oct313553144
9121431583
1053401188
1128164115
1215a73570
13b0a9549
147141108
154a4c893
hex32ed664

53401188 has 48 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 17260800.

The previous prime is 53401181. The next prime is 53401207. The reversal of 53401188 is 88110435.

It is a super-2 number, since 2×534011882 = 5703373759622688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53401181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152838 + ... + 153186.

It is an arithmetic number, because the mean of its divisors is an integer number (2675400).

Almost surely, 253401188 is an apocalyptic number.

It is an amenable number.

53401188 is an abundant number, since it is smaller than the sum of its proper divisors (75018012).

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

53401188 is a wasteful number, since it uses less digits than its factorization.

53401188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 53401188 is about 7307.6116481379. The cubic root of 53401188 is about 376.5739781158.

The spelling of 53401188 in words is "fifty-three million, four hundred one thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 311 349 492 622 698 933 1047 1244 1396 1866 2094 3732 4188 12751 14309 25502 28618 38253 42927 51004 57236 76506 85854 108539 153012 171708 217078 325617 434156 651234 1302468 4450099 8900198 13350297 17800396 26700594 53401188