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25480735 = 572104003
BaseRepresentation
bin110000100110…
…0111000011111
31202221112222221
41201030320133
523010340420
62310050211
7426403600
oct141147037
952845887
1025480735
1113424065
128649967
135381c77
143553da7
152384caa
hex184ce1f

25480735 has 12 divisors (see below), whose sum is σ = 35569368. Its totient is φ = 17472336.

The previous prime is 25480733. The next prime is 25480747. The reversal of 25480735 is 53708452.

It is a happy number.

It is not a de Polignac number, because 25480735 - 21 = 25480733 is a prime.

It is a super-2 number, since 2×254807352 = 1298535712280450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25480735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25480733) 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 11 ways as a sum of consecutive naturals, for example, 51757 + ... + 52246.

It is an arithmetic number, because the mean of its divisors is an integer number (2964114).

Almost surely, 225480735 is an apocalyptic number.

25480735 is a deficient number, since it is larger than the sum of its proper divisors (10088633).

25480735 is a wasteful number, since it uses less digits than its factorization.

25480735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104022 (or 104015 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 25480735 is about 5047.8445895253. The cubic root of 25480735 is about 294.2641239451.

The spelling of 25480735 in words is "twenty-five million, four hundred eighty thousand, seven hundred thirty-five".

Divisors: 1 5 7 35 49 245 104003 520015 728021 3640105 5096147 25480735