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25242552 = 23321741503
BaseRepresentation
bin110000001001…
…0101110111000
31202111110021100
41200102232320
522430230202
62301011400
7424362306
oct140225670
952443240
1025242552
1113281115
128553b60
1352ca72a
1434d1276
15233941c
hex1812bb8

25242552 has 96 divisors (see below), whose sum is σ = 74299680. Its totient is φ = 7710720.

The previous prime is 25242533. The next prime is 25242589. The reversal of 25242552 is 25524252.

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 23 ways as a sum of consecutive naturals, for example, 49933 + ... + 50435.

It is an arithmetic number, because the mean of its divisors is an integer number (773955).

Almost surely, 225242552 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 25242552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37149840).

25242552 is an abundant number, since it is smaller than the sum of its proper divisors (49057128).

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

25242552 is a wasteful number, since it uses less digits than its factorization.

25242552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 566 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 25242552 is about 5024.1966522022. The cubic root of 25242552 is about 293.3443671240.

The spelling of 25242552 in words is "twenty-five million, two hundred forty-two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 41 51 68 72 82 102 123 136 153 164 204 246 306 328 369 408 492 503 612 697 738 984 1006 1224 1394 1476 1509 2012 2091 2788 2952 3018 4024 4182 4527 5576 6036 6273 8364 8551 9054 12072 12546 16728 17102 18108 20623 25092 25653 34204 36216 41246 50184 51306 61869 68408 76959 82492 102612 123738 153918 164984 185607 205224 247476 307836 350591 371214 494952 615672 701182 742428 1051773 1402364 1484856 2103546 2804728 3155319 4207092 6310638 8414184 12621276 25242552