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25051268 = 221117107313
BaseRepresentation
bin101111110010…
…0000010000100
31202010201212202
41133210002010
522403120033
62252534032
7422634524
oct137440204
952121782
1025051268
1113160430
128481318
135261648
143481684
1522ec8e8
hex17e4084

25051268 has 48 divisors (see below), whose sum is σ = 51274944. Its totient is φ = 10583040.

The previous prime is 25051219. The next prime is 25051277. The reversal of 25051268 is 86215052.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25051268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79880 + ... + 80192.

It is an arithmetic number, because the mean of its divisors is an integer number (1068228).

Almost surely, 225051268 is an apocalyptic number.

It is an amenable number.

25051268 is an abundant number, since it is smaller than the sum of its proper divisors (26223676).

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

25051268 is a wasteful number, since it uses less digits than its factorization.

25051268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 25051268 is about 5005.1241742838. The cubic root of 25051268 is about 292.6015154006.

It can be divided in two parts, 2505 and 1268, that added together give a palindrome (3773).

The spelling of 25051268 in words is "twenty-five million, fifty-one thousand, two hundred sixty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 107 187 214 313 374 428 626 748 1177 1252 1819 2354 3443 3638 4708 5321 6886 7276 10642 13772 20009 21284 33491 40018 58531 66982 80036 117062 133964 234124 368401 569347 736802 1138694 1473604 2277388 6262817 12525634 25051268