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25013130 = 2352273673
BaseRepresentation
bin101111101101…
…0101110001010
31202001210120020
41133122232022
522400410010
62252041310
7422415402
oct137325612
952053506
1025013130
111313480a
128463236
13524a18c
143471802
1522e1470
hex17dab8a

25013130 has 32 divisors (see below), whose sum is σ = 60312384. Its totient is φ = 6638976.

The previous prime is 25013123. The next prime is 25013159. The reversal of 25013130 is 3131052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon 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, 4974 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (1884762).

Almost surely, 225013130 is an apocalyptic number.

25013130 is an abundant number, since it is smaller than the sum of its proper divisors (35299254).

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

25013130 is a wasteful number, since it uses less digits than its factorization.

25013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 25013130 is about 5001.3128276484. The cubic root of 25013130 is about 292.4529546661.

Adding to 25013130 its reverse (3131052), we get a palindrome (28144182).

The spelling of 25013130 in words is "twenty-five million, thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 227 454 681 1135 1362 2270 3405 3673 6810 7346 11019 18365 22038 36730 55095 110190 833771 1667542 2501313 4168855 5002626 8337710 12506565 25013130