Base | Representation |
---|---|
bin | 1000111111110… |
… | …01111000001000 |
3 | 12021000101122210 |
4 | 10133321320020 |
5 | 123310104032 |
6 | 11253345120 |
7 | 1604335062 |
oct | 437717010 |
9 | 167011583 |
10 | 75472392 |
11 | 39669586 |
12 | 213381a0 |
13 | 12836628 |
14 | a048732 |
15 | 695c2cc |
hex | 47f9e08 |
75472392 has 32 divisors (see below), whose sum is σ = 188959680. Its totient is φ = 25120320.
The previous prime is 75472381. The next prime is 75472393. The reversal of 75472392 is 29327457.
It is a self number, because there is not a number n which added to its sum of digits gives 75472392.
It is not an unprimeable number, because it can be changed into a prime (75472393) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17842 + ... + 21662.
It is an arithmetic number, because the mean of its divisors is an integer number (5904990).
Almost surely, 275472392 is an apocalyptic number.
It is an amenable number.
75472392 is an abundant number, since it is smaller than the sum of its proper divisors (113487288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75472392 is a wasteful number, since it uses less digits than its factorization.
75472392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4653 (or 4649 counting only the distinct ones).
The product of its digits is 105840, while the sum is 39.
The square root of 75472392 is about 8687.4847913536. The cubic root of 75472392 is about 422.5998820842.
The spelling of 75472392 in words is "seventy-five million, four hundred seventy-two thousand, three hundred ninety-two".
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