Base | Representation |
---|---|
bin | 1111001001001111101001 |
3 | 21110200211222 |
4 | 33021033221 |
5 | 2004020100 |
6 | 221031425 |
7 | 45513263 |
oct | 17111751 |
9 | 7420758 |
10 | 3970025 |
11 | 2271814 |
12 | 13b5575 |
13 | a90037 |
14 | 754b33 |
15 | 536485 |
hex | 3c93e9 |
3970025 has 12 divisors (see below), whose sum is σ = 4947600. Its totient is φ = 3160080.
The previous prime is 3970009. The next prime is 3970033. The reversal of 3970025 is 5200793.
It is not a de Polignac number, because 3970025 - 24 = 3970009 is a prime.
It is a super-2 number, since 2×39700252 = 31522197001250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3969976 and 3970003.
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 11 ways as a sum of consecutive naturals, for example, 9266 + ... + 9684.
It is an arithmetic number, because the mean of its divisors is an integer number (412300).
Almost surely, 23970025 is an apocalyptic number.
It is an amenable number.
3970025 is a deficient number, since it is larger than the sum of its proper divisors (977575).
3970025 is a wasteful number, since it uses less digits than its factorization.
3970025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 808 (or 803 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 26.
The square root of 3970025 is about 1992.4921580774. The cubic root of 3970025 is about 158.3425910253.
The spelling of 3970025 in words is "three million, nine hundred seventy thousand, twenty-five".
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