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25420966 = 217373471
BaseRepresentation
bin110000011111…
…0010010100110
31202211112000021
41200332102212
523001432331
62304505354
7426034414
oct140762246
952745007
1025420966
111339316a
12861b25a
1353609bc
14353a2b4
152372211
hex183e4a6

25420966 has 8 divisors (see below), whose sum is σ = 38352384. Its totient is φ = 12636840.

The previous prime is 25420963. The next prime is 25420979. The reversal of 25420966 is 66902452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25420963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36390 + ... + 37081.

It is an arithmetic number, because the mean of its divisors is an integer number (4794048).

Almost surely, 225420966 is an apocalyptic number.

25420966 is a deficient number, since it is larger than the sum of its proper divisors (12931418).

25420966 is a wasteful number, since it uses less digits than its factorization.

25420966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73646.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 25420966 is about 5041.9208641152. The cubic root of 25420966 is about 294.0338631610.

The spelling of 25420966 in words is "twenty-five million, four hundred twenty thousand, nine hundred sixty-six".

Divisors: 1 2 173 346 73471 146942 12710483 25420966