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25142714 = 212571357
BaseRepresentation
bin101111111101…
…0010110111010
31202022101022122
41133322112322
522414031324
62254521242
7423465242
oct137722672
952271278
1025142714
1113213103
128506222
13529415c
1434a6b22
152319a5e
hex17fa5ba

25142714 has 4 divisors (see below), whose sum is σ = 37714074. Its totient is φ = 12571356.

The previous prime is 25142693. The next prime is 25142731. The reversal of 25142714 is 41724152.

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

It can be written as a sum of positive squares in only one way, i.e., 17497489 + 7645225 = 4183^2 + 2765^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285677 + ... + 6285680.

Almost surely, 225142714 is an apocalyptic number.

25142714 is a deficient number, since it is larger than the sum of its proper divisors (12571360).

25142714 is a wasteful number, since it uses less digits than its factorization.

25142714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12571359.

The product of its digits is 2240, while the sum is 26.

The square root of 25142714 is about 5014.2510906416. The cubic root of 25142714 is about 292.9571161131.

Adding to 25142714 its reverse (41724152), we get a palindrome (66866866).

The spelling of 25142714 in words is "twenty-five million, one hundred forty-two thousand, seven hundred fourteen".

Divisors: 1 2 12571357 25142714