Base | Representation |
---|---|
bin | 1000011011010… |
… | …00000000110001 |
3 | 11220222221120221 |
4 | 10031220000301 |
5 | 121043240000 |
6 | 11002533041 |
7 | 1515526651 |
oct | 415500061 |
9 | 156887527 |
10 | 70680625 |
11 | 36996444 |
12 | 1b807181 |
13 | 11849572 |
14 | 955c361 |
15 | 631261a |
hex | 4368031 |
70680625 has 10 divisors (see below), whose sum is σ = 88323290. Its totient is φ = 56544000.
The previous prime is 70680613. The next prime is 70680647. The reversal of 70680625 is 52608607.
It can be written as a sum of positive squares in 5 ways, for example, as 29116816 + 41563809 = 5396^2 + 6447^2 .
It is not a de Polignac number, because 70680625 - 25 = 70680593 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55920 + ... + 57169.
It is an arithmetic number, because the mean of its divisors is an integer number (8832329).
Almost surely, 270680625 is an apocalyptic number.
It is an amenable number.
70680625 is a deficient number, since it is larger than the sum of its proper divisors (17642665).
70680625 is an equidigital number, since it uses as much as digits as its factorization.
70680625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113109 (or 113094 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 70680625 is about 8407.1769934979. The cubic root of 70680625 is about 413.4599619970.
The spelling of 70680625 in words is "seventy million, six hundred eighty thousand, six hundred twenty-five".
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