Base | Representation |
---|---|
bin | 1000111011111… |
… | …00000011011100 |
3 | 12020001012200221 |
4 | 10131330003130 |
5 | 123142111040 |
6 | 11234331124 |
7 | 1600060405 |
oct | 435740334 |
9 | 166035627 |
10 | 74957020 |
11 | 39347356 |
12 | 21129aa4 |
13 | 126b5b88 |
14 | 9d529ac |
15 | 68a974a |
hex | 477c0dc |
74957020 has 24 divisors (see below), whose sum is σ = 161250768. Its totient is φ = 29251200.
The previous prime is 74956991. The next prime is 74957059. The reversal of 74957020 is 2075947.
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, 44886 + ... + 46525.
It is an arithmetic number, because the mean of its divisors is an integer number (6718782).
Almost surely, 274957020 is an apocalyptic number.
It is an amenable number.
74957020 is an abundant number, since it is smaller than the sum of its proper divisors (86293748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74957020 is a wasteful number, since it uses less digits than its factorization.
74957020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91461 (or 91459 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 34.
The square root of 74957020 is about 8657.7722307762. The cubic root of 74957020 is about 421.6357600667.
The spelling of 74957020 in words is "seventy-four million, nine hundred fifty-seven thousand, twenty".
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