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16925225 = 523121839
BaseRepresentation
bin100000010010…
…0001000101001
31011211220001012
41000210020221
513313101400
61402433305
7263601452
oct100441051
934756035
1016925225
119610199
125802835
133677a35
142368129
151744d35
hex1024229

16925225 has 12 divisors (see below), whose sum is σ = 21665280. Its totient is φ = 13102800.

The previous prime is 16925221. The next prime is 16925267. The reversal of 16925225 is 52252961.

It is not a de Polignac number, because 16925225 - 22 = 16925221 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16925191 and 16925200.

It is not an unprimeable number, because it can be changed into a prime (16925221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10145 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (1805440).

Almost surely, 216925225 is an apocalyptic number.

It is an amenable number.

16925225 is a deficient number, since it is larger than the sum of its proper divisors (4740055).

16925225 is a wasteful number, since it uses less digits than its factorization.

16925225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21880 (or 21875 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 16925225 is about 4114.0278316997. The cubic root of 16925225 is about 256.7506097128.

The spelling of 16925225 in words is "sixteen million, nine hundred twenty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 31 155 775 21839 109195 545975 677009 3385045 16925225