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25242204 = 22313435371
BaseRepresentation
bin110000001001…
…0101001011100
31202111102210110
41200102221130
522430222304
62301010020
7424361301
oct140225134
952442713
1025242204
1113280929
128553910
1352ca520
1434d10a8
152339289
hex1812a5c

25242204 has 96 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 7338240.

The previous prime is 25242199. The next prime is 25242281. The reversal of 25242204 is 40224252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355489 + ... + 355559.

It is an arithmetic number, because the mean of its divisors is an integer number (698544).

Almost surely, 225242204 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 25242204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33530112).

25242204 is an abundant number, since it is smaller than the sum of its proper divisors (41818020).

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

25242204 is a wasteful number, since it uses less digits than its factorization.

25242204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 25242204 is about 5024.1620196805. The cubic root of 25242204 is about 293.3430190787.

Adding to 25242204 its reverse (40224252), we get a palindrome (65466456).

The spelling of 25242204 in words is "twenty-five million, two hundred forty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 12 13 26 39 43 52 53 71 78 86 106 129 142 156 159 172 212 213 258 284 318 426 516 559 636 689 852 923 1118 1378 1677 1846 2067 2236 2279 2756 2769 3053 3354 3692 3763 4134 4558 5538 6106 6708 6837 7526 8268 9116 9159 11076 11289 12212 13674 15052 18318 22578 27348 29627 36636 39689 45156 48919 59254 79378 88881 97838 118508 119067 146757 158756 161809 177762 195676 238134 293514 323618 355524 476268 485427 587028 647236 970854 1941708 2103517 4207034 6310551 8414068 12621102 25242204