Base | Representation |
---|---|
bin | 1000001100011… |
… | …00000100111010 |
3 | 11210022220110210 |
4 | 10012030010322 |
5 | 120043344234 |
6 | 10453051550 |
7 | 1463130330 |
oct | 406140472 |
9 | 153286423 |
10 | 68731194 |
11 | 35884844 |
12 | 1b026bb6 |
13 | 1131615c |
14 | 91b1b50 |
15 | 6079be9 |
hex | 418c13a |
68731194 has 16 divisors (see below), whose sum is σ = 157099968. Its totient is φ = 19637472.
The previous prime is 68731181. The next prime is 68731219. The reversal of 68731194 is 49113786.
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, 818187 + ... + 818270.
It is an arithmetic number, because the mean of its divisors is an integer number (9818748).
Almost surely, 268731194 is an apocalyptic number.
68731194 is an abundant number, since it is smaller than the sum of its proper divisors (88368774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68731194 is a wasteful number, since it uses less digits than its factorization.
68731194 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1636469.
The product of its digits is 36288, while the sum is 39.
The square root of 68731194 is about 8290.4278538565. The cubic root of 68731194 is about 409.6232787889.
The spelling of 68731194 in words is "sixty-eight million, seven hundred thirty-one thousand, one hundred ninety-four".
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