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71412864 = 273185971
BaseRepresentation
bin1000100000110…
…10110010000000
311222101011000220
410100122302000
5121240202424
611030343040
71524666525
oct420326200
9158334026
1071412864
11373465a6
121babaa80
1311a44943
1496ad14c
156409579
hex441ac80

71412864 has 32 divisors (see below), whose sum is σ = 189691440. Its totient is φ = 23804160.

The previous prime is 71412853. The next prime is 71412893. The reversal of 71412864 is 46821417.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92602 + ... + 93369.

Almost surely, 271412864 is an apocalyptic number.

It is an amenable number.

71412864 is an abundant number, since it is smaller than the sum of its proper divisors (118278576).

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

71412864 is a wasteful number, since it uses less digits than its factorization.

71412864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185988 (or 185976 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 71412864 is about 8450.6132321862. The cubic root of 71412864 is about 414.8828507578.

The spelling of 71412864 in words is "seventy-one million, four hundred twelve thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 185971 371942 557913 743884 1115826 1487768 2231652 2975536 4463304 5951072 8926608 11902144 17853216 23804288 35706432 71412864