Base | Representation |
---|---|
bin | 11110000011100… |
… | …11011010011010 |
3 | 122120102120200002 |
4 | 33001303122122 |
5 | 1004021142340 |
6 | 41004013002 |
7 | 6151035500 |
oct | 1701633232 |
9 | 576376602 |
10 | 252130970 |
11 | 11a359803 |
12 | 70531162 |
13 | 4030a630 |
14 | 256b2670 |
15 | 17205715 |
hex | f07369a |
252130970 has 48 divisors (see below), whose sum is σ = 568555848. Its totient is φ = 79793280.
The previous prime is 252130939. The next prime is 252130981. The reversal of 252130970 is 79031252.
It can be written as a sum of positive squares in 4 ways, for example, as 179318881 + 72812089 = 13391^2 + 8533^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13421 + ... + 26160.
Almost surely, 2252130970 is an apocalyptic number.
252130970 is an abundant number, since it is smaller than the sum of its proper divisors (316424878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252130970 is a wasteful number, since it uses less digits than its factorization.
252130970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39615 (or 39608 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 252130970 is about 15878.6324977940. The cubic root of 252130970 is about 631.7453658958.
The spelling of 252130970 in words is "two hundred fifty-two million, one hundred thirty thousand, nine hundred seventy".
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