Base | Representation |
---|---|
bin | 1011010100010… |
… | …0001101000000 |
3 | 10022022111010100 |
4 | 2311010031000 |
5 | 44122342110 |
6 | 4413202400 |
7 | 1114306512 |
oct | 265041500 |
9 | 108274110 |
10 | 47465280 |
11 | 2487a405 |
12 | 13a90400 |
13 | 9aab785 |
14 | 6437bb2 |
15 | 4278bc0 |
hex | 2d44340 |
47465280 has 84 divisors (see below), whose sum is σ = 163270692. Its totient is φ = 12656640.
The previous prime is 47465267. The next prime is 47465443. The reversal of 47465280 is 8256474.
It can be written as a sum of positive squares in 2 ways, for example, as 18045504 + 29419776 = 4248^2 + 5424^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5361 + ... + 11120.
Almost surely, 247465280 is an apocalyptic number.
47465280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47465280 is an abundant number, since it is smaller than the sum of its proper divisors (115805412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47465280 is a wasteful number, since it uses less digits than its factorization.
47465280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16504 (or 16491 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 47465280 is about 6889.5050620491. The cubic root of 47465280 is about 362.0695612282.
The spelling of 47465280 in words is "forty-seven million, four hundred sixty-five thousand, two hundred eighty".
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