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25482438 = 23552433
BaseRepresentation
bin110000100110…
…1010011000110
31202221122100000
41201031103012
523010414223
62310102130
7426411552
oct141152306
952848300
1025482438
1113425373
12864a946
135382987
143554862
152385543
hex184d4c6

25482438 has 24 divisors (see below), whose sum is σ = 57257928. Its totient is φ = 8493984.

The previous prime is 25482421. The next prime is 25482449. The reversal of 25482438 is 83428452.

It is a congruent number.

It is an unprimeable number.

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, 25731 + ... + 26702.

It is an arithmetic number, because the mean of its divisors is an integer number (2385747).

Almost surely, 225482438 is an apocalyptic number.

25482438 is an abundant number, since it is smaller than the sum of its proper divisors (31775490).

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

25482438 is an equidigital number, since it uses as much as digits as its factorization.

25482438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52450 (or 52438 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 25482438 is about 5048.0132725658. The cubic root of 25482438 is about 294.2706794944.

The spelling of 25482438 in words is "twenty-five million, four hundred eighty-two thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 52433 104866 157299 314598 471897 943794 1415691 2831382 4247073 8494146 12741219 25482438