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25772982 = 2315128447
BaseRepresentation
bin110001001010…
…0001110110110
31210111101212220
41202110032312
523044213412
62320223210
7432031614
oct142241666
953441786
1025772982
1113603694
12876ab06
135454cb1
1435cc6b4
1523e168c
hex18943b6

25772982 has 16 divisors (see below), whose sum is σ = 51889152. Its totient is φ = 8533800.

The previous prime is 25772951. The next prime is 25772993. The reversal of 25772982 is 28927752.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13318 + ... + 15129.

It is an arithmetic number, because the mean of its divisors is an integer number (3243072).

Almost surely, 225772982 is an apocalyptic number.

25772982 is an abundant number, since it is smaller than the sum of its proper divisors (26116170).

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

25772982 is a wasteful number, since it uses less digits than its factorization.

25772982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28603.

The product of its digits is 141120, while the sum is 42.

The square root of 25772982 is about 5076.7097612529. The cubic root of 25772982 is about 295.3848544023.

The spelling of 25772982 in words is "twenty-five million, seven hundred seventy-two thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 151 302 453 906 28447 56894 85341 170682 4295497 8590994 12886491 25772982