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25135012 = 2273532543
BaseRepresentation
bin101111111100…
…0011110100100
31202021222202101
41133320132210
522413310022
62254421444
7423433630
oct137703644
952258671
1025135012
1113208341
128501884
1352907b6
1434a3dc0
152317627
hex17f87a4

25135012 has 24 divisors (see below), whose sum is σ = 50432256. Its totient is φ = 10737408.

The previous prime is 25134943. The next prime is 25135031. The reversal of 25135012 is 21053152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8613 + ... + 11155.

It is an arithmetic number, because the mean of its divisors is an integer number (2101344).

Almost surely, 225135012 is an apocalyptic number.

It is an amenable number.

25135012 is an abundant number, since it is smaller than the sum of its proper divisors (25297244).

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

25135012 is a wasteful number, since it uses less digits than its factorization.

25135012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 25135012 is about 5013.4830208150. The cubic root of 25135012 is about 292.9271990810.

Adding to 25135012 its reverse (21053152), we get a palindrome (46188164).

The spelling of 25135012 in words is "twenty-five million, one hundred thirty-five thousand, twelve".

Divisors: 1 2 4 7 14 28 353 706 1412 2471 2543 4942 5086 9884 10172 17801 35602 71204 897679 1795358 3590716 6283753 12567506 25135012