Base | Representation |
---|---|
bin | 10010110010001… |
… | …100010100100000 |
3 | 210222000011011120 |
4 | 102302030110200 |
5 | 1121134210202 |
6 | 51134412240 |
7 | 10544465346 |
oct | 2262142440 |
9 | 728004146 |
10 | 315147552 |
11 | 151990025 |
12 | 89661080 |
13 | 503a2655 |
14 | 2dbd7996 |
15 | 1ca020bc |
hex | 12c8c520 |
315147552 has 48 divisors (see below), whose sum is σ = 828418752. Its totient is φ = 104902400.
The previous prime is 315147529. The next prime is 315147557. The reversal of 315147552 is 255741513.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (315147557) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83302 + ... + 87002.
It is an arithmetic number, because the mean of its divisors is an integer number (17258724).
Almost surely, 2315147552 is an apocalyptic number.
315147552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
315147552 is an abundant number, since it is smaller than the sum of its proper divisors (513271200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315147552 is a wasteful number, since it uses less digits than its factorization.
315147552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4601 (or 4593 counting only the distinct ones).
The product of its digits is 21000, while the sum is 33.
The square root of 315147552 is about 17752.3956693174. The cubic root of 315147552 is about 680.5154338898.
The spelling of 315147552 in words is "three hundred fifteen million, one hundred forty-seven thousand, five hundred fifty-two".
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