Base | Representation |
---|---|
bin | 101111111100… |
… | …0000000000001 |
3 | 1202021220001222 |
4 | 1133320000001 |
5 | 22413224212 |
6 | 2254404425 |
7 | 423425135 |
oct | 137700001 |
9 | 52256058 |
10 | 25133057 |
11 | 13206924 |
12 | 8500715 |
13 | 528c941 |
14 | 34a33c5 |
15 | 2316c72 |
hex | 17f8001 |
25133057 has 4 divisors (see below), whose sum is σ = 25143600. Its totient is φ = 25122516.
The previous prime is 25133051. The next prime is 25133071. The reversal of 25133057 is 75033152.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 25133057 - 216 = 25067521 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25133051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194 + ... + 7092.
It is an arithmetic number, because the mean of its divisors is an integer number (6285900).
It is a Proth number, since it is equal to 767 ⋅ 215 + 1 and 767 < 215.
Almost surely, 225133057 is an apocalyptic number.
It is an amenable number.
25133057 is a deficient number, since it is larger than the sum of its proper divisors (10543).
25133057 is an equidigital number, since it uses as much as digits as its factorization.
25133057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10542.
The product of its (nonzero) digits is 3150, while the sum is 26.
The square root of 25133057 is about 5013.2880427919. The cubic root of 25133057 is about 292.9196042630.
The spelling of 25133057 in words is "twenty-five million, one hundred thirty-three thousand, fifty-seven".
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