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25130378 = 2713138079
BaseRepresentation
bin101111111011…
…1010110001010
31202021202101202
41133313112022
522413133003
62254344202
7423414260
oct137672612
952252352
1025130378
1113204909
1284bb062
13528b660
1434a2430
152316088
hex17f758a

25130378 has 16 divisors (see below), whose sum is σ = 46394880. Its totient is φ = 9941616.

The previous prime is 25130377. The next prime is 25130381. The reversal of 25130378 is 87303152.

It is a self number, because there is not a number n which added to its sum of digits gives 25130378.

It is not an unprimeable number, because it can be changed into a prime (25130377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68858 + ... + 69221.

It is an arithmetic number, because the mean of its divisors is an integer number (2899680).

Almost surely, 225130378 is an apocalyptic number.

25130378 is a deficient number, since it is larger than the sum of its proper divisors (21264502).

25130378 is a wasteful number, since it uses less digits than its factorization.

25130378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138101.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25130378 is about 5013.0208457576. The cubic root of 25130378 is about 292.9091961976.

The spelling of 25130378 in words is "twenty-five million, one hundred thirty thousand, three hundred seventy-eight".

Divisors: 1 2 7 13 14 26 91 182 138079 276158 966553 1795027 1933106 3590054 12565189 25130378