Base | Representation |
---|---|
bin | 101111111100… |
… | …0000000001001 |
3 | 1202021220002021 |
4 | 1133320000021 |
5 | 22413224230 |
6 | 2254404441 |
7 | 423425146 |
oct | 137700011 |
9 | 52256067 |
10 | 25133065 |
11 | 13206931 |
12 | 8500721 |
13 | 528c949 |
14 | 34a33cd |
15 | 2316c7a |
hex | 17f8009 |
25133065 has 4 divisors (see below), whose sum is σ = 30159684. Its totient is φ = 20106448.
The previous prime is 25133051. The next prime is 25133071. The reversal of 25133065 is 56033152.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20043529 + 5089536 = 4477^2 + 2256^2 .
It is a cyclic number.
It is not a de Polignac number, because 25133065 - 29 = 25132553 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513302 + ... + 2513311.
It is an arithmetic number, because the mean of its divisors is an integer number (7539921).
Almost surely, 225133065 is an apocalyptic number.
It is an amenable number.
25133065 is a deficient number, since it is larger than the sum of its proper divisors (5026619).
25133065 is an equidigital number, since it uses as much as digits as its factorization.
25133065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5026618.
The product of its (nonzero) digits is 2700, while the sum is 25.
The square root of 25133065 is about 5013.2888406714. The cubic root of 25133065 is about 292.9196353424.
The spelling of 25133065 in words is "twenty-five million, one hundred thirty-three thousand, sixty-five".
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