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25532049 = 39787739
BaseRepresentation
bin110000101100…
…1011010010001
31210001011101110
41201121122101
523014011144
62311123533
7430006314
oct141313221
953034343
1025532049
1113459674
1286735a9
13539c42a
14356897b
1523950b9
hex1859691

25532049 has 8 divisors (see below), whose sum is σ = 34394080. Its totient is φ = 16845696.

The previous prime is 25532033. The next prime is 25532081. The reversal of 25532049 is 94023552.

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

It is not a de Polignac number, because 25532049 - 24 = 25532033 is a prime.

It is a super-2 number, since 2×255320492 = 1303771052276802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25532149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43579 + ... + 44160.

It is an arithmetic number, because the mean of its divisors is an integer number (4299260).

Almost surely, 225532049 is an apocalyptic number.

It is an amenable number.

25532049 is a deficient number, since it is larger than the sum of its proper divisors (8862031).

25532049 is an equidigital number, since it uses as much as digits as its factorization.

25532049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87839.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 25532049 is about 5052.9247965906. The cubic root of 25532049 is about 294.4615246398.

The spelling of 25532049 in words is "twenty-five million, five hundred thirty-two thousand, forty-nine".

Divisors: 1 3 97 291 87739 263217 8510683 25532049