Base | Representation |
---|---|
bin | 1011011011100… |
… | …1011000001011 |
3 | 10100012212111011 |
4 | 2312321120023 |
5 | 44233221402 |
6 | 4431344351 |
7 | 1121346001 |
oct | 266713013 |
9 | 110185434 |
10 | 47945227 |
11 | 25077a60 |
12 | 140820b7 |
13 | 9c19075 |
14 | 6520a71 |
15 | 4320ed7 |
hex | 2db960b |
47945227 has 8 divisors (see below), whose sum is σ = 55056960. Its totient is φ = 41292360.
The previous prime is 47945203. The next prime is 47945239. The reversal of 47945227 is 72254974.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-47945227 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47945227.
It is not an unprimeable number, because it can be changed into a prime (47945297) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114493 + ... + 114910.
It is an arithmetic number, because the mean of its divisors is an integer number (6882120).
Almost surely, 247945227 is an apocalyptic number.
47945227 is a deficient number, since it is larger than the sum of its proper divisors (7111733).
47945227 is a wasteful number, since it uses less digits than its factorization.
47945227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229433.
The product of its digits is 141120, while the sum is 40.
The square root of 47945227 is about 6924.2492011770. The cubic root of 47945227 is about 363.2858310276.
The spelling of 47945227 in words is "forty-seven million, nine hundred forty-five thousand, two hundred twenty-seven".
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