Base | Representation |
---|---|
bin | 1000100100110… |
… | …10110000111110 |
3 | 12000100210010112 |
4 | 10102122300332 |
5 | 121403441321 |
6 | 11045510022 |
7 | 1532312054 |
oct | 422326076 |
9 | 160323115 |
10 | 71937086 |
11 | 37674441 |
12 | 20112312 |
13 | 11b99430 |
14 | 97a81d4 |
15 | 64aea5b |
hex | 449ac3e |
71937086 has 16 divisors (see below), whose sum is σ = 116952864. Its totient is φ = 32988384.
The previous prime is 71937079. The next prime is 71937101. The reversal of 71937086 is 68073917.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4730 + ... + 12893.
It is an arithmetic number, because the mean of its divisors is an integer number (7309554).
Almost surely, 271937086 is an apocalyptic number.
71937086 is a deficient number, since it is larger than the sum of its proper divisors (45015778).
71937086 is a wasteful number, since it uses less digits than its factorization.
71937086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17795.
The product of its (nonzero) digits is 63504, while the sum is 41.
The square root of 71937086 is about 8481.5733210295. The cubic root of 71937086 is about 415.8955567128.
The spelling of 71937086 in words is "seventy-one million, nine hundred thirty-seven thousand, eighty-six".
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