Base | Representation |
---|---|
bin | 1011011011100… |
… | …0001010001010 |
3 | 10100012121122020 |
4 | 2312320022022 |
5 | 44233041414 |
6 | 4431305310 |
7 | 1121325306 |
oct | 266701212 |
9 | 110177566 |
10 | 47940234 |
11 | 25074231 |
12 | 1407b236 |
13 | 9c16a04 |
14 | 651cd06 |
15 | 431e7a9 |
hex | 2db828a |
47940234 has 64 divisors (see below), whose sum is σ = 105719040. Its totient is φ = 14446080.
The previous prime is 47940223. The next prime is 47940259. The reversal of 47940234 is 43204974.
It is a junction number, because it is equal to n+sod(n) for n = 47940195 and 47940204.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209232 + ... + 209460.
It is an arithmetic number, because the mean of its divisors is an integer number (1651860).
Almost surely, 247940234 is an apocalyptic number.
47940234 is an abundant number, since it is smaller than the sum of its proper divisors (57778806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47940234 is a wasteful number, since it uses less digits than its factorization.
47940234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335.
The product of its (nonzero) digits is 24192, while the sum is 33.
The square root of 47940234 is about 6923.8886472848. Note that the first 3 decimals coincide. The cubic root of 47940234 is about 363.2732197679.
The spelling of 47940234 in words is "forty-seven million, nine hundred forty thousand, two hundred thirty-four".
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