Base | Representation |
---|---|
bin | 1011011010111… |
… | …0100101000000 |
3 | 10100010121210211 |
4 | 2312232211000 |
5 | 44230312432 |
6 | 4430403504 |
7 | 1121103016 |
oct | 266564500 |
9 | 110117724 |
10 | 47900992 |
11 | 250477a7 |
12 | 14060594 |
13 | 9c01ba9 |
14 | 650c8b6 |
15 | 4312d47 |
hex | 2dae940 |
47900992 has 14 divisors (see below), whose sum is σ = 95053658. Its totient is φ = 23950464.
The previous prime is 47900989. The next prime is 47901013. The reversal of 47900992 is 29900974.
It can be written as a sum of positive squares in only one way, i.e., 36772096 + 11128896 = 6064^2 + 3336^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374163 + ... + 374290.
It is an arithmetic number, because the mean of its divisors is an integer number (6789547).
Almost surely, 247900992 is an apocalyptic number.
It is an amenable number.
47900992 is a deficient number, since it is larger than the sum of its proper divisors (47152666).
47900992 is an equidigital number, since it uses as much as digits as its factorization.
47900992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 748465 (or 748455 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 40.
The square root of 47900992 is about 6921.0542549528. The cubic root of 47900992 is about 363.1740722951.
The spelling of 47900992 in words is "forty-seven million, nine hundred thousand, nine hundred ninety-two".
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