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25113012 = 22317257479
BaseRepresentation
bin101111111001…
…1000110110100
31202020212120120
41133303012310
522412104022
62254131540
7423312531
oct137630664
952225516
1025113012
11131a2861
1284b0bb0
135283792
143499d88
152310d5c
hex17f31b4

25113012 has 48 divisors (see below), whose sum is σ = 62415360. Its totient is φ = 7831552.

The previous prime is 25112999. The next prime is 25113031. The reversal of 25113012 is 21031152.

It is a junction number, because it is equal to n+sod(n) for n = 25112982 and 25113000.

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, 52189 + ... + 52667.

It is an arithmetic number, because the mean of its divisors is an integer number (1300320).

Almost surely, 225113012 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 25113012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31207680).

25113012 is an abundant number, since it is smaller than the sum of its proper divisors (37302348).

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

25113012 is a wasteful number, since it uses less digits than its factorization.

25113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 25113012 is about 5011.2884570737. The cubic root of 25113012 is about 292.8417103678.

Adding to 25113012 its reverse (21031152), we get a palindrome (46144164).

The spelling of 25113012 in words is "twenty-five million, one hundred thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 257 479 514 771 958 1028 1437 1542 1916 2874 3084 4369 5748 8143 8738 13107 16286 17476 24429 26214 32572 48858 52428 97716 123103 246206 369309 492412 738618 1477236 2092751 4185502 6278253 8371004 12556506 25113012