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25085412 = 22321163347
BaseRepresentation
bin101111110110…
…0010111100100
31202012110201100
41133230113210
522410213122
62253400100
7423136212
oct137542744
952173640
1025085412
1113184050
128499030
135274051
14348dcb2
152307aac
hex17ec5e4

25085412 has 36 divisors (see below), whose sum is σ = 69176016. Its totient is φ = 7601520.

The previous prime is 25085407. The next prime is 25085413. The reversal of 25085412 is 21458052.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (25085413) 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, 31278 + ... + 32069.

It is an arithmetic number, because the mean of its divisors is an integer number (1921556).

Almost surely, 225085412 is an apocalyptic number.

25085412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25085412 is an abundant number, since it is smaller than the sum of its proper divisors (44090604).

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

25085412 is a wasteful number, since it uses less digits than its factorization.

25085412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63368 (or 63363 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 25085412 is about 5008.5339172257. The cubic root of 25085412 is about 292.7343902533.

The spelling of 25085412 in words is "twenty-five million, eighty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 63347 126694 190041 253388 380082 570123 696817 760164 1140246 1393634 2090451 2280492 2787268 4180902 6271353 8361804 12542706 25085412