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25350013 = 1341199239
BaseRepresentation
bin110000010110…
…0111101111101
31202200220200101
41200230331331
522442200023
62303201101
7425320513
oct140547575
952626611
1025350013
1113344927
1285a6191
135337610
14351c4b3
15235b1ad
hex182cf7d

25350013 has 16 divisors (see below), whose sum is σ = 28224000. Its totient is φ = 22619520.

The previous prime is 25350007. The next prime is 25350023. The reversal of 25350013 is 31005352.

It is a cyclic number.

It is not a de Polignac number, because 25350013 - 25 = 25349981 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 (25350023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105948 + ... + 106186.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 225350013 is an apocalyptic number.

It is an amenable number.

25350013 is a deficient number, since it is larger than the sum of its proper divisors (2873987).

25350013 is a wasteful number, since it uses less digits than its factorization.

25350013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 25350013 is about 5034.8796410639. The cubic root of 25350013 is about 293.7600468572.

Adding to 25350013 its reverse (31005352), we get a palindrome (56355365).

The spelling of 25350013 in words is "twenty-five million, three hundred fifty thousand, thirteen".

Divisors: 1 13 41 199 239 533 2587 3107 8159 9799 47561 106067 127387 618293 1950001 25350013