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25130934 = 23211511213
BaseRepresentation
bin101111111011…
…1011110110110
31202021210011100
41133313132312
522413142214
62254350530
7423416013
oct137673666
952253140
1025130934
1113205274
1284bb446
13528b99a
1434a270a
152316309
hex17f77b6

25130934 has 24 divisors (see below), whose sum is σ = 54542592. Its totient is φ = 8362800.

The previous prime is 25130929. The next prime is 25130951. The reversal of 25130934 is 43903152.

It is a junction number, because it is equal to n+sod(n) for n = 25130898 and 25130907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20112 + ... + 21324.

It is an arithmetic number, because the mean of its divisors is an integer number (2272608).

Almost surely, 225130934 is an apocalyptic number.

25130934 is an abundant number, since it is smaller than the sum of its proper divisors (29411658).

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

25130934 is a wasteful number, since it uses less digits than its factorization.

25130934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 25130934 is about 5013.0763010351. The cubic root of 25130934 is about 292.9113563496.

The spelling of 25130934 in words is "twenty-five million, one hundred thirty thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 1151 1213 2302 2426 3453 3639 6906 7278 10359 10917 20718 21834 1396163 2792326 4188489 8376978 12565467 25130934