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25242048 = 2632133371
BaseRepresentation
bin110000001001…
…0100111000000
31202111102120200
41200102213000
522430221143
62301005200
7424360656
oct140224700
952442520
1025242048
11132807a7
128553800
1352ca430
1434d0dd6
1523391d3
hex18129c0

25242048 has 84 divisors (see below), whose sum is σ = 77940408. Its totient is φ = 7764480.

The previous prime is 25242047. The next prime is 25242071. The reversal of 25242048 is 84024252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5803 + ... + 9173.

It is an arithmetic number, because the mean of its divisors is an integer number (927862).

Almost surely, 225242048 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 25242048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38970204).

25242048 is an abundant number, since it is smaller than the sum of its proper divisors (52698360).

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

25242048 is a wasteful number, since it uses less digits than its factorization.

25242048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 25242048 is about 5024.1464946795. The cubic root of 25242048 is about 293.3424147785.

The spelling of 25242048 in words is "twenty-five million, two hundred forty-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 144 156 192 208 234 288 312 416 468 576 624 832 936 1248 1872 2496 3371 3744 6742 7488 10113 13484 20226 26968 30339 40452 43823 53936 60678 80904 87646 107872 121356 131469 161808 175292 215744 242712 262938 323616 350584 394407 485424 525876 647232 701168 788814 970848 1051752 1402336 1577628 1941696 2103504 2804672 3155256 4207008 6310512 8414016 12621024 25242048