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25682008 = 2311243617
BaseRepresentation
bin110000111111…
…0000001011000
31210022210002111
41201332001120
523033311013
62314242104
7431202442
oct141760130
953283074
1025682008
1113551300
128726334
135422771
1435a7492
1523c473d
hex187e058

25682008 has 48 divisors (see below), whose sum is σ = 54248040. Its totient is φ = 11383680.

The previous prime is 25682003. The next prime is 25682009. The reversal of 25682008 is 80028652.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25682003) 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 11 ways as a sum of consecutive naturals, for example, 41316 + ... + 41932.

Almost surely, 225682008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25682008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27124020).

25682008 is an abundant number, since it is smaller than the sum of its proper divisors (28566032).

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

25682008 is a wasteful number, since it uses less digits than its factorization.

25682008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 25682008 is about 5067.7419034517. The cubic root of 25682008 is about 295.0368928292.

The spelling of 25682008 in words is "twenty-five million, six hundred eighty-two thousand, eight".

Divisors: 1 2 4 8 11 22 43 44 86 88 121 172 242 344 473 484 617 946 968 1234 1892 2468 3784 4936 5203 6787 10406 13574 20812 26531 27148 41624 53062 54296 74657 106124 149314 212248 291841 298628 583682 597256 1167364 2334728 3210251 6420502 12841004 25682008