Base | Representation |
---|---|
bin | 1011010110100… |
… | …1001111010100 |
3 | 10022121012012212 |
4 | 2311221033110 |
5 | 44142220410 |
6 | 4420332552 |
7 | 1115511005 |
oct | 265511724 |
9 | 108535185 |
10 | 47616980 |
11 | 24973384 |
12 | 13b44158 |
13 | 9b32838 |
14 | 64771ac |
15 | 42a8b05 |
hex | 2d693d4 |
47616980 has 18 divisors (see below), whose sum is σ = 100060506. Its totient is φ = 19034448.
The previous prime is 47616979. The next prime is 47616991. The reversal of 47616980 is 8961674.
It can be written as a sum of positive squares in only one way, i.e., 38093584 + 9523396 = 6172^2 + 3086^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30089 + ... + 31631.
It is an arithmetic number, because the mean of its divisors is an integer number (5558917).
Almost surely, 247616980 is an apocalyptic number.
It is an amenable number.
47616980 is an abundant number, since it is smaller than the sum of its proper divisors (52443526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47616980 is an equidigital number, since it uses as much as digits as its factorization.
47616980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3095 (or 1550 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 47616980 is about 6900.5057785644. The cubic root of 47616980 is about 362.4548782522.
The spelling of 47616980 in words is "forty-seven million, six hundred sixteen thousand, nine hundred eighty".
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