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25528084 = 2217375413
BaseRepresentation
bin110000101100…
…0011100010100
31210000221221121
41201120130110
523013344314
62311053324
7426661621
oct141303424
953027847
1025528084
111345669a
128671244
13539a69a
143567348
152393d24
hex1858714

25528084 has 12 divisors (see below), whose sum is σ = 47302164. Its totient is φ = 12013184.

The previous prime is 25528081. The next prime is 25528133. The reversal of 25528084 is 48082552.

It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 17405584 = 2850^2 + 4172^2 .

It is a super-2 number, since 2×255280842 = 1303366145422112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25528081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187639 + ... + 187774.

It is an arithmetic number, because the mean of its divisors is an integer number (3941847).

Almost surely, 225528084 is an apocalyptic number.

It is an amenable number.

25528084 is a deficient number, since it is larger than the sum of its proper divisors (21774080).

25528084 is a wasteful number, since it uses less digits than its factorization.

25528084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375434 (or 375432 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 25528084 is about 5052.5324343343. The cubic root of 25528084 is about 294.4462810481.

The spelling of 25528084 in words is "twenty-five million, five hundred twenty-eight thousand, eighty-four".

Divisors: 1 2 4 17 34 68 375413 750826 1501652 6382021 12764042 25528084