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25055264 = 2513241113
BaseRepresentation
bin101111110010…
…1000000100000
31202010221100202
41133211000200
522403232024
62253004332
7422652263
oct137450040
952127322
1025055264
1113163433
1284836a8
135263400
143482cda
1522edbae
hex17e5020

25055264 has 72 divisors (see below), whose sum is σ = 55200852. Its totient is φ = 11182080.

The previous prime is 25055237. The next prime is 25055267. The reversal of 25055264 is 46255052.

It can be written as a sum of positive squares in 6 ways, for example, as 1123600 + 23931664 = 1060^2 + 4892^2 .

It is not an unprimeable number, because it can be changed into a prime (25055267) 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, 221672 + ... + 221784.

Almost surely, 225055264 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 25055264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27600426).

25055264 is an abundant number, since it is smaller than the sum of its proper divisors (30145588).

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

25055264 is a wasteful number, since it uses less digits than its factorization.

25055264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 25055264 is about 5005.5233492613. The cubic root of 25055264 is about 292.6170724773.

The spelling of 25055264 in words is "twenty-five million, fifty-five thousand, two hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 32 41 52 82 104 113 164 169 208 226 328 338 416 452 533 656 676 904 1066 1312 1352 1469 1808 2132 2704 2938 3616 4264 4633 5408 5876 6929 8528 9266 11752 13858 17056 18532 19097 23504 27716 37064 38194 47008 55432 60229 74128 76388 110864 120458 148256 152776 221728 240916 305552 481832 611104 782977 963664 1565954 1927328 3131908 6263816 12527632 25055264