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25411142 = 212705571
BaseRepresentation
bin110000011101…
…1111001000110
31202211000112102
41200323321012
523001124032
62304352102
7425663651
oct140737106
952730472
1025411142
1113386849
128615632
1353593a3
143536898
15236e362
hex183be46

25411142 has 4 divisors (see below), whose sum is σ = 38116716. Its totient is φ = 12705570.

The previous prime is 25411129. The next prime is 25411153. The reversal of 25411142 is 24111452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×254111422 = 1291452275488328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352784 + ... + 6352787.

It is an arithmetic number, because the mean of its divisors is an integer number (9529179).

Almost surely, 225411142 is an apocalyptic number.

25411142 is a deficient number, since it is larger than the sum of its proper divisors (12705574).

25411142 is a wasteful number, since it uses less digits than its factorization.

25411142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12705573.

The product of its digits is 320, while the sum is 20.

The square root of 25411142 is about 5040.9465381017. The cubic root of 25411142 is about 293.9959815577.

Adding to 25411142 its reverse (24111452), we get a palindrome (49522594).

The spelling of 25411142 in words is "twenty-five million, four hundred eleven thousand, one hundred forty-two".

Divisors: 1 2 12705571 25411142