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25214260 = 2251260713
BaseRepresentation
bin110000000101…
…1110100110100
31202110000110111
41200023310310
522423324020
62300232404
7424213651
oct140136464
952400414
1025214260
1113261935
12853b704
1352ba8a6
1434c4c28
152330d5a
hex180bd34

25214260 has 12 divisors (see below), whose sum is σ = 52949988. Its totient is φ = 10085696.

The previous prime is 25214249. The next prime is 25214263. The reversal of 25214260 is 6241252.

It can be written as a sum of positive squares in 2 ways, for example, as 11464996 + 13749264 = 3386^2 + 3708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25214263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630337 + ... + 630376.

It is an arithmetic number, because the mean of its divisors is an integer number (4412499).

Almost surely, 225214260 is an apocalyptic number.

25214260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25214260 is an abundant number, since it is smaller than the sum of its proper divisors (27735728).

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

25214260 is a wasteful number, since it uses less digits than its factorization.

25214260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260722 (or 1260720 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25214260 is about 5021.3802883271. The cubic root of 25214260 is about 293.2347321262.

The spelling of 25214260 in words is "twenty-five million, two hundred fourteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 1260713 2521426 5042852 6303565 12607130 25214260