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25880082 = 239294643
BaseRepresentation
bin110001010111…
…0011000010010
31210200211210120
41202232120102
523111130312
62322411110
7432656064
oct142563022
953624716
1025880082
11136770a8
128800a96
135491977
143619734
15241328c
hex18ae612

25880082 has 16 divisors (see below), whose sum is σ = 51827040. Its totient is φ = 8615552.

The previous prime is 25880081. The next prime is 25880117. The reversal of 25880082 is 28008852.

It is not an unprimeable number, because it can be changed into a prime (25880081) 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, 3253 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (3239190).

Almost surely, 225880082 is an apocalyptic number.

25880082 is an abundant number, since it is smaller than the sum of its proper divisors (25946958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25880082 is a wasteful number, since it uses less digits than its factorization.

25880082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 25880082 is about 5087.2469961660. The cubic root of 25880082 is about 295.7934476324.

The spelling of 25880082 in words is "twenty-five million, eight hundred eighty thousand, eighty-two".

Divisors: 1 2 3 6 929 1858 2787 4643 5574 9286 13929 27858 4313347 8626694 12940041 25880082