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71413752 = 23313921407
BaseRepresentation
bin1000100000110…
…10111111111000
311222101012020210
410100122333320
5121240220002
611030351120
71525002234
oct420327770
9158335223
1071413752
1137347233
121babb4a0
1311a45177
1496ad5c4
15640996c
hex441aff8

71413752 has 32 divisors (see below), whose sum is σ = 179827200. Its totient is φ = 23632224.

The previous prime is 71413721. The next prime is 71413807. The reversal of 71413752 is 25731417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7368 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (5619600).

Almost surely, 271413752 is an apocalyptic number.

It is an amenable number.

71413752 is an abundant number, since it is smaller than the sum of its proper divisors (108413448).

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

71413752 is a wasteful number, since it uses less digits than its factorization.

71413752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21555 (or 21551 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 71413752 is about 8450.6657725886. The cubic root of 71413752 is about 414.8845704034.

The spelling of 71413752 in words is "seventy-one million, four hundred thirteen thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 139 278 417 556 834 1112 1668 3336 21407 42814 64221 85628 128442 171256 256884 513768 2975573 5951146 8926719 11902292 17853438 23804584 35706876 71413752