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71513368 = 2313016871
BaseRepresentation
bin1000100001100…
…11010100011000
311222120020220021
410100303110120
5121301411433
611032440224
71525565533
oct420632430
9158506807
1071513368
1137405063
121bb49074
1311a7b604
1496d7a1a
15642922d
hex4433518

71513368 has 16 divisors (see below), whose sum is σ = 134210160. Its totient is φ = 35724000.

The previous prime is 71513329. The next prime is 71513383. The reversal of 71513368 is 86331517.

It is a super-2 number, since 2×715133682 = 10228323605406848, which contains 22 as substring.

It is a congruent number.

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, 6973 + ... + 13843.

It is an arithmetic number, because the mean of its divisors is an integer number (8388135).

Almost surely, 271513368 is an apocalyptic number.

It is an amenable number.

71513368 is a deficient number, since it is larger than the sum of its proper divisors (62696792).

71513368 is a wasteful number, since it uses less digits than its factorization.

71513368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178 (or 8174 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 71513368 is about 8456.5576921109. The cubic root of 71513368 is about 415.0773901252.

The spelling of 71513368 in words is "seventy-one million, five hundred thirteen thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 1301 2602 5204 6871 10408 13742 27484 54968 8939171 17878342 35756684 71513368