Base | Representation |
---|---|
bin | 1000001100010… |
… | …11100011111110 |
3 | 11210022210120201 |
4 | 10012023203332 |
5 | 120043312321 |
6 | 10453034114 |
7 | 1463121226 |
oct | 406134376 |
9 | 153283521 |
10 | 68729086 |
11 | 358831a8 |
12 | 1b02593a |
13 | 113151ca |
14 | 91b1086 |
15 | 6079291 |
hex | 418b8fe |
68729086 has 16 divisors (see below), whose sum is σ = 105070608. Its totient is φ = 33712000.
The previous prime is 68729053. The next prime is 68729149. The reversal of 68729086 is 68092786.
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, 21321 + ... + 24331.
It is an arithmetic number, because the mean of its divisors is an integer number (6566913).
Almost surely, 268729086 is an apocalyptic number.
68729086 is a deficient number, since it is larger than the sum of its proper divisors (36341522).
68729086 is a wasteful number, since it uses less digits than its factorization.
68729086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3227.
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 68729086 is about 8290.3007183093. The cubic root of 68729086 is about 409.6190910024.
The spelling of 68729086 in words is "sixty-eight million, seven hundred twenty-nine thousand, eighty-six".
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