Base | Representation |
---|---|
bin | 110001000010… |
… | …1111001000010 |
3 | 1210101102022100 |
4 | 1202011321002 |
5 | 23040323432 |
6 | 2315051230 |
7 | 431365431 |
oct | 142057102 |
9 | 53342270 |
10 | 25714242 |
11 | 13573544 |
12 | 8740b16 |
13 | 5434338 |
14 | 35b5118 |
15 | 23ce07c |
hex | 1885e42 |
25714242 has 24 divisors (see below), whose sum is σ = 57636540. Its totient is φ = 8275680.
The previous prime is 25714231. The next prime is 25714289. The reversal of 25714242 is 24241752.
It can be written as a sum of positive squares in 2 ways, for example, as 25492401 + 221841 = 5049^2 + 471^2 .
It is a super-2 number, since 2×257142422 = 1322444483269128, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24109 + ... + 25152.
Almost surely, 225714242 is an apocalyptic number.
25714242 is an abundant number, since it is smaller than the sum of its proper divisors (31922298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25714242 is a wasteful number, since it uses less digits than its factorization.
25714242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49298 (or 49295 counting only the distinct ones).
The product of its digits is 4480, while the sum is 27.
The square root of 25714242 is about 5070.9212180826. The cubic root of 25714242 is about 295.1602767842.
Adding to 25714242 its reverse (24241752), we get a palindrome (49955994).
The spelling of 25714242 in words is "twenty-five million, seven hundred fourteen thousand, two hundred forty-two".
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