Base | Representation |
---|---|
bin | 101111110010… |
… | …1011011010111 |
3 | 1202011000201102 |
4 | 1133211123113 |
5 | 22403310413 |
6 | 2253020315 |
7 | 422660300 |
oct | 137453327 |
9 | 52130642 |
10 | 25056983 |
11 | 13164756 |
12 | 848469b |
13 | 5264123 |
14 | 34837a7 |
15 | 22ee458 |
hex | 17e56d7 |
25056983 has 12 divisors (see below), whose sum is σ = 29521440. Its totient is φ = 21202272.
The previous prime is 25056979. The next prime is 25057001. The reversal of 25056983 is 38965052.
It is not a de Polignac number, because 25056983 - 22 = 25056979 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25056923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635 + ... + 7107.
It is an arithmetic number, because the mean of its divisors is an integer number (2460120).
Almost surely, 225056983 is an apocalyptic number.
25056983 is a deficient number, since it is larger than the sum of its proper divisors (4464457).
25056983 is an equidigital number, since it uses as much as digits as its factorization.
25056983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6566 (or 6559 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 38.
The square root of 25056983 is about 5005.6950566330. The cubic root of 25056983 is about 292.6237643145.
The spelling of 25056983 in words is "twenty-five million, fifty-six thousand, nine hundred eighty-three".
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