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25289701 = 59428639
BaseRepresentation
bin110000001111…
…0001111100101
31202120211221121
41200132033211
522433232301
62302013541
7424646623
oct140361745
952524847
1025289701
1113303588
1285772b1
135316028
143504513
1523483a1
hex181e3e5

25289701 has 4 divisors (see below), whose sum is σ = 25718400. Its totient is φ = 24861004.

The previous prime is 25289699. The next prime is 25289731. The reversal of 25289701 is 10798252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25289701 - 21 = 25289699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25289731) 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 3 ways as a sum of consecutive naturals, for example, 214261 + ... + 214378.

It is an arithmetic number, because the mean of its divisors is an integer number (6429600).

Almost surely, 225289701 is an apocalyptic number.

It is an amenable number.

25289701 is a deficient number, since it is larger than the sum of its proper divisors (428699).

25289701 is an equidigital number, since it uses as much as digits as its factorization.

25289701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428698.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 25289701 is about 5028.8866561099. The cubic root of 25289701 is about 293.5268934549.

The spelling of 25289701 in words is "twenty-five million, two hundred eighty-nine thousand, seven hundred one".

Divisors: 1 59 428639 25289701