Base | Representation |
---|---|
bin | 1011110000010111… |
… | …0001101000100001 |
3 | 22010220212122102100 |
4 | 2330011301220201 |
5 | 22430320140000 |
6 | 1241044041013 |
7 | 141125263200 |
oct | 27405615041 |
9 | 8126778370 |
10 | 3155630625 |
11 | 137a2a8aa4 |
12 | 740993169 |
13 | 3b3a05274 |
14 | 21d159237 |
15 | 137086a00 |
hex | bc171a21 |
3155630625 has 135 divisors (see below), whose sum is σ = 6688278597. Its totient is φ = 1429092000.
The previous prime is 3155630617. The next prime is 3155630651. The reversal of 3155630625 is 5260365513.
The square root of 3155630625 is 56175.
It is a perfect power (a square), and thus also a powerful number.
3155630625 is a `hidden beast` number, since 3 + 15 + 5 + 630 + 6 + 2 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 247401441 + 2908229184 = 15729^2 + 53928^2 .
It is not a de Polignac number, because 3155630625 - 23 = 3155630617 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3155630625.
It is an unprimeable number.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 29491822 + ... + 29491928.
Almost surely, 23155630625 is an apocalyptic number.
3155630625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
3155630625 is the 56175-th square number.
3155630625 is the 28088-th centered octagonal number.
It is an amenable number.
3155630625 is an abundant number, since it is smaller than the sum of its proper divisors (3532647972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3155630625 is an equidigital number, since it uses as much as digits as its factorization.
3155630625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254 (or 122 counting only the distinct ones).
The product of its (nonzero) digits is 81000, while the sum is 36.
The cubic root of 3155630625 is about 1466.7701193958.
Multiplying 3155630625 by its sum of digits (36), we get a square (113602702500 = 3370502).
The spelling of 3155630625 in words is "three billion, one hundred fifty-five million, six hundred thirty thousand, six hundred twenty-five".
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