Base | Representation |
---|---|
bin | 1000111010110… |
… | …01000110110000 |
3 | 12012202221100011 |
4 | 10131121012300 |
5 | 123123020442 |
6 | 11231304304 |
7 | 1565623150 |
oct | 435310660 |
9 | 165687304 |
10 | 74813872 |
11 | 39259851 |
12 | 2107b094 |
13 | 12665983 |
14 | 9d16760 |
15 | 687c117 |
hex | 47591b0 |
74813872 has 40 divisors (see below), whose sum is σ = 175408416. Its totient is φ = 30176256.
The previous prime is 74813863. The next prime is 74813873. The reversal of 74813872 is 27831847.
It is not an unprimeable number, because it can be changed into a prime (74813873) 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, 17743 + ... + 21550.
Almost surely, 274813872 is an apocalyptic number.
It is an amenable number.
74813872 is an abundant number, since it is smaller than the sum of its proper divisors (100594544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74813872 is a wasteful number, since it uses less digits than its factorization.
74813872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39325 (or 39319 counting only the distinct ones).
The product of its digits is 75264, while the sum is 40.
The square root of 74813872 is about 8649.5012572980. The cubic root of 74813872 is about 421.3671849192.
The spelling of 74813872 in words is "seventy-four million, eight hundred thirteen thousand, eight hundred seventy-two".
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