Base | Representation |
---|---|
bin | 1011011010111… |
… | …0010111110101 |
3 | 10100010120122121 |
4 | 2312232113311 |
5 | 44230301044 |
6 | 4430355541 |
7 | 1121100403 |
oct | 266562765 |
9 | 110116577 |
10 | 47900149 |
11 | 25047100 |
12 | 1405bbb1 |
13 | 9c016ab |
14 | 650c473 |
15 | 4312984 |
hex | 2dae5f5 |
47900149 has 12 divisors (see below), whose sum is σ = 53327680. Its totient is φ = 42985800.
The previous prime is 47900147. The next prime is 47900161. The reversal of 47900149 is 94100974.
It is not a de Polignac number, because 47900149 - 21 = 47900147 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47900147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7054 + ... + 12064.
Almost surely, 247900149 is an apocalyptic number.
It is an amenable number.
47900149 is a deficient number, since it is larger than the sum of its proper divisors (5427531).
47900149 is a wasteful number, since it uses less digits than its factorization.
47900149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5112 (or 5101 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 47900149 is about 6920.9933535584. The cubic root of 47900149 is about 363.1719418066.
The spelling of 47900149 in words is "forty-seven million, nine hundred thousand, one hundred forty-nine".
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