Base | Representation |
---|---|
bin | 110000000101… |
… | …1110100110101 |
3 | 1202110000110112 |
4 | 1200023310311 |
5 | 22423324021 |
6 | 2300232405 |
7 | 424213652 |
oct | 140136465 |
9 | 52400415 |
10 | 25214261 |
11 | 13261936 |
12 | 853b705 |
13 | 52ba8a7 |
14 | 34c4c29 |
15 | 2330d5b |
hex | 180bd35 |
25214261 has 4 divisors (see below), whose sum is σ = 25320000. Its totient is φ = 25108524.
The previous prime is 25214249. The next prime is 25214263. The reversal of 25214261 is 16241252.
It is a happy number.
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.
It is a cyclic number.
It is not a de Polignac number, because 25214261 - 214 = 25197877 is a prime.
It is a super-2 number, since 2×252142612 = 1271517915552242, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25214263) 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, 52511 + ... + 52988.
It is an arithmetic number, because the mean of its divisors is an integer number (6330000).
Almost surely, 225214261 is an apocalyptic number.
It is an amenable number.
25214261 is a deficient number, since it is larger than the sum of its proper divisors (105739).
25214261 is a wasteful number, since it uses less digits than its factorization.
25214261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105738.
The product of its digits is 960, while the sum is 23.
The square root of 25214261 is about 5021.3803879013. The cubic root of 25214261 is about 293.2347360027.
The spelling of 25214261 in words is "twenty-five million, two hundred fourteen thousand, two hundred sixty-one".
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