Base | Representation |
---|---|
bin | 1000001000000… |
… | …01001000100111 |
3 | 11202020222210202 |
4 | 10010001020213 |
5 | 114422141322 |
6 | 10432541115 |
7 | 1455240200 |
oct | 404011047 |
9 | 152228722 |
10 | 68162087 |
11 | 35526204 |
12 | 1a9b179b |
13 | 111770c6 |
14 | 90a45a7 |
15 | 5eb6292 |
hex | 4101227 |
68162087 has 24 divisors (see below), whose sum is σ = 85450752. Its totient is φ = 54054000.
The previous prime is 68162057. The next prime is 68162119. The reversal of 68162087 is 78026186.
It is not a de Polignac number, because 68162087 - 26 = 68162023 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68162087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68162057) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33962 + ... + 35912.
It is an arithmetic number, because the mean of its divisors is an integer number (3560448).
Almost surely, 268162087 is an apocalyptic number.
68162087 is a deficient number, since it is larger than the sum of its proper divisors (17288665).
68162087 is a wasteful number, since it uses less digits than its factorization.
68162087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2019 (or 2012 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 68162087 is about 8256.0333696031. The cubic root of 68162087 is about 408.4895583625.
The spelling of 68162087 in words is "sixty-eight million, one hundred sixty-two thousand, eighty-seven".
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