Base | Representation |
---|---|
bin | 1000001001110… |
… | …01011111101010 |
3 | 11202200201110210 |
4 | 10010321133222 |
5 | 120002033223 |
6 | 10441521550 |
7 | 1460221215 |
oct | 404713752 |
9 | 152621423 |
10 | 68392938 |
11 | 35673699 |
12 | 1aaa32b6 |
13 | 112281c3 |
14 | 912477c |
15 | 600e893 |
hex | 41397ea |
68392938 has 32 divisors (see below), whose sum is σ = 151134336. Its totient is φ = 20523008.
The previous prime is 68392903. The next prime is 68392963. The reversal of 68392938 is 83929386.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12231 + ... + 16922.
It is an arithmetic number, because the mean of its divisors is an integer number (4722948).
Almost surely, 268392938 is an apocalyptic number.
68392938 is an abundant number, since it is smaller than the sum of its proper divisors (82741398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68392938 is a wasteful number, since it uses less digits than its factorization.
68392938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29198.
The product of its digits is 559872, while the sum is 48.
The square root of 68392938 is about 8270.0022974604. The cubic root of 68392938 is about 408.9501954925.
The spelling of 68392938 in words is "sixty-eight million, three hundred ninety-two thousand, nine hundred thirty-eight".
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