Base | Representation |
---|---|
bin | 1000001101100… |
… | …11110101111000 |
3 | 11210122011220022 |
4 | 10012303311320 |
5 | 120114102242 |
6 | 10500350012 |
7 | 1464406232 |
oct | 406636570 |
9 | 153564808 |
10 | 68894072 |
11 | 35986155 |
12 | 1b0a5308 |
13 | 11372330 |
14 | 9215252 |
15 | 60ad0d2 |
hex | 41b3d78 |
68894072 has 16 divisors (see below), whose sum is σ = 139113240. Its totient is φ = 31797216.
The previous prime is 68894051. The next prime is 68894087. The reversal of 68894072 is 27049886.
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, 331118 + ... + 331325.
Almost surely, 268894072 is an apocalyptic number.
It is an amenable number.
68894072 is an abundant number, since it is smaller than the sum of its proper divisors (70219168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68894072 is a wasteful number, since it uses less digits than its factorization.
68894072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 662462 (or 662458 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 68894072 is about 8300.2452975801. The cubic root of 68894072 is about 409.9465962567.
The spelling of 68894072 in words is "sixty-eight million, eight hundred ninety-four thousand, seventy-two".
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