Base | Representation |
---|---|
bin | 1011010011101… |
… | …1111000111110 |
3 | 10022020202102020 |
4 | 2310323320332 |
5 | 44120244410 |
6 | 4412341010 |
7 | 1114105320 |
oct | 264737076 |
9 | 108222366 |
10 | 47431230 |
11 | 24856870 |
12 | 13a74766 |
13 | 9a99122 |
14 | 6429610 |
15 | 426da70 |
hex | 2d3be3e |
47431230 has 64 divisors (see below), whose sum is σ = 141931008. Its totient is φ = 9855360.
The previous prime is 47431217. The next prime is 47431247. The reversal of 47431230 is 3213474.
It is a self number, because there is not a number n which added to its sum of digits gives 47431230.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 7957 + ... + 12576.
It is an arithmetic number, because the mean of its divisors is an integer number (2217672).
Almost surely, 247431230 is an apocalyptic number.
47431230 is an abundant number, since it is smaller than the sum of its proper divisors (94499778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47431230 is a wasteful number, since it uses less digits than its factorization.
47431230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20561.
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 47431230 is about 6887.0334687730. The cubic root of 47431230 is about 361.9829616636.
The spelling of 47431230 in words is "forty-seven million, four hundred thirty-one thousand, two hundred thirty".
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