Base | Representation |
---|---|
bin | 11110011001111101000001 |
3 | 112222221122100 |
4 | 132121331001 |
5 | 4020030000 |
6 | 442501013 |
7 | 124514655 |
oct | 36317501 |
9 | 15887570 |
10 | 7970625 |
11 | 45544a3 |
12 | 2804769 |
13 | 1860c60 |
14 | 10b6a65 |
15 | a76a00 |
hex | 799f41 |
7970625 has 60 divisors (see below), whose sum is σ = 15635620. Its totient is φ = 3888000.
The previous prime is 7970597. The next prime is 7970653. The reversal of 7970625 is 5260797.
It is an interprime number because it is at equal distance from previous prime (7970597) and next prime (7970653).
It can be written as a sum of positive squares in 10 ways, for example, as 6718464 + 1252161 = 2592^2 + 1119^2 .
It is not a de Polignac number, because 7970625 - 26 = 7970561 is a prime.
7970625 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 7970625.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 73071 + ... + 73179.
Almost surely, 27970625 is an apocalyptic number.
7970625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7970625 is a deficient number, since it is larger than the sum of its proper divisors (7664995).
7970625 is a wasteful number, since it uses less digits than its factorization.
7970625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 36.
The square root of 7970625 is about 2823.2295337078. The cubic root of 7970625 is about 199.7549081058.
The spelling of 7970625 in words is "seven million, nine hundred seventy thousand, six hundred twenty-five".
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