Base | Representation |
---|---|
bin | 1011001111100… |
… | …0101000110100 |
3 | 10021201202112210 |
4 | 2303320220310 |
5 | 44032441024 |
6 | 4402413420 |
7 | 1111550235 |
oct | 263705064 |
9 | 107652483 |
10 | 47155764 |
11 | 24688907 |
12 | 13961270 |
13 | 9a00926 |
14 | 639708c |
15 | 4217129 |
hex | 2cf8a34 |
47155764 has 24 divisors (see below), whose sum is σ = 110212480. Its totient is φ = 15692544.
The previous prime is 47155753. The next prime is 47155783. The reversal of 47155764 is 46755174.
47155764 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.
47155764 is strictly pandigital in base 9.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5157 + ... + 10995.
Almost surely, 247155764 is an apocalyptic number.
It is an amenable number.
47155764 is an abundant number, since it is smaller than the sum of its proper divisors (63056716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47155764 is a wasteful number, since it uses less digits than its factorization.
47155764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6519 (or 6517 counting only the distinct ones).
The product of its digits is 117600, while the sum is 39.
The square root of 47155764 is about 6867.0054608978. The cubic root of 47155764 is about 361.2808387525.
The spelling of 47155764 in words is "forty-seven million, one hundred fifty-five thousand, seven hundred sixty-four".
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