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25714242 = 2322949261
BaseRepresentation
bin110001000010…
…1111001000010
31210101102022100
41202011321002
523040323432
62315051230
7431365431
oct142057102
953342270
1025714242
1113573544
128740b16
135434338
1435b5118
1523ce07c
hex1885e42

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".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 49261 98522 147783 295566 443349 886698 1428569 2857138 4285707 8571414 12857121 25714242