Base | Representation |
---|---|
bin | 1000111001101… |
… | …10001001011000 |
3 | 12012111122220202 |
4 | 10130312021120 |
5 | 123103430210 |
6 | 11224241332 |
7 | 1564455530 |
oct | 434661130 |
9 | 165448822 |
10 | 74670680 |
11 | 39171207 |
12 | 21010248 |
13 | 12615746 |
14 | 9cba4c0 |
15 | 684e9a5 |
hex | 4736258 |
74670680 has 32 divisors (see below), whose sum is σ = 192011040. Its totient is φ = 25601280.
The previous prime is 74670677. The next prime is 74670691. The reversal of 74670680 is 8607647.
It is a congruent number.
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, 133061 + ... + 133620.
It is an arithmetic number, because the mean of its divisors is an integer number (6000345).
Almost surely, 274670680 is an apocalyptic number.
74670680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
74670680 is an abundant number, since it is smaller than the sum of its proper divisors (117340360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74670680 is a wasteful number, since it uses less digits than its factorization.
74670680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266699 (or 266695 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 38.
The square root of 74670680 is about 8641.2198212984. The cubic root of 74670680 is about 421.0981842492.
The spelling of 74670680 in words is "seventy-four million, six hundred seventy thousand, six hundred eighty".
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