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25247413 = 471793001
BaseRepresentation
bin110000001001…
…1111010110101
31202111200221101
41200103322311
522430404123
62301050101
7424412422
oct140237265
952450841
1025247413
1113284834
128556931
1352cc9c9
1434d2d49
15233aaad
hex1813eb5

25247413 has 8 divisors (see below), whose sum is σ = 25937280. Its totient is φ = 24564000.

The previous prime is 25247381. The next prime is 25247419. The reversal of 25247413 is 31474252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25247413 - 25 = 25247381 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25247419) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6913 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (3242160).

Almost surely, 225247413 is an apocalyptic number.

It is an amenable number.

25247413 is a deficient number, since it is larger than the sum of its proper divisors (689867).

25247413 is a wasteful number, since it uses less digits than its factorization.

25247413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its digits is 6720, while the sum is 28.

The square root of 25247413 is about 5024.6803878456. The cubic root of 25247413 is about 293.3631958521.

The spelling of 25247413 in words is "twenty-five million, two hundred forty-seven thousand, four hundred thirteen".

Divisors: 1 47 179 3001 8413 141047 537179 25247413