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25505308 = 227980713
BaseRepresentation
bin110000101001…
…0111000011100
31202222210201001
41201102320130
523012132213
62310400044
7426535333
oct141227034
952883631
1025505308
1113440574
128660024
1353901ca
14355cd1a
15238c1dd
hex1852e1c

25505308 has 12 divisors (see below), whose sum is σ = 45199840. Its totient is φ = 12591072.

The previous prime is 25505303. The next prime is 25505317. The reversal of 25505308 is 80350552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25505303) 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, 40041 + ... + 40672.

Almost surely, 225505308 is an apocalyptic number.

It is an amenable number.

25505308 is a deficient number, since it is larger than the sum of its proper divisors (19694532).

25505308 is a wasteful number, since it uses less digits than its factorization.

25505308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80796 (or 80794 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 25505308 is about 5050.2780121494. The cubic root of 25505308 is about 294.3586872706.

The spelling of 25505308 in words is "twenty-five million, five hundred five thousand, three hundred eight".

Divisors: 1 2 4 79 158 316 80713 161426 322852 6376327 12752654 25505308