Base | Representation |
---|---|
bin | 1000111011100… |
… | …11001110111000 |
3 | 12012222101010201 |
4 | 10131303032320 |
5 | 123134432023 |
6 | 11233451544 |
7 | 1566550150 |
oct | 435631670 |
9 | 165871121 |
10 | 74920888 |
11 | 39322199 |
12 | 21110bb4 |
13 | 126a25b3 |
14 | 9d43760 |
15 | 689dbad |
hex | 47733b8 |
74920888 has 16 divisors (see below), whose sum is σ = 160544880. Its totient is φ = 32108928.
The previous prime is 74920883. The next prime is 74920889. The reversal of 74920888 is 88802947.
It is a super-2 number, since 2×749208882 = 11226278917417088, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74920883) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668881 + ... + 668992.
It is an arithmetic number, because the mean of its divisors is an integer number (10034055).
Almost surely, 274920888 is an apocalyptic number.
It is an amenable number.
74920888 is an abundant number, since it is smaller than the sum of its proper divisors (85623992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74920888 is a wasteful number, since it uses less digits than its factorization.
74920888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1337886 (or 1337882 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 46.
The square root of 74920888 is about 8655.6852992701. The cubic root of 74920888 is about 421.5680012729.
The spelling of 74920888 in words is "seventy-four million, nine hundred twenty thousand, eight hundred eighty-eight".
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