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25760142 = 2321431119
BaseRepresentation
bin110001001000…
…1000110001110
31210110202021100
41202101012032
523043311032
62320043530
7431646312
oct142210616
953422240
1025760142
11135a4a81
1287635a6
13544c1b5
1435c7b42
1523dc97c
hex189118e

25760142 has 12 divisors (see below), whose sum is σ = 55813680. Its totient is φ = 8586708.

The previous prime is 25760131. The next prime is 25760153. The reversal of 25760142 is 24106752.

25760142 is a `hidden beast` number, since 2 + 57 + 601 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25760131) and next prime (25760153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 715542 + ... + 715577.

It is an arithmetic number, because the mean of its divisors is an integer number (4651140).

Almost surely, 225760142 is an apocalyptic number.

25760142 is an abundant number, since it is smaller than the sum of its proper divisors (30053538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25760142 is a wasteful number, since it uses less digits than its factorization.

25760142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431127 (or 1431124 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25760142 is about 5075.4450051202. The cubic root of 25760142 is about 295.3357930564.

Adding to 25760142 its reverse (24106752), we get a palindrome (49866894).

The spelling of 25760142 in words is "twenty-five million, seven hundred sixty thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 1431119 2862238 4293357 8586714 12880071 25760142