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16289125 = 53151863
BaseRepresentation
bin111110001000…
…110101100101
31010122120110221
4332020311211
513132223000
61341044341
7255312106
oct76106545
933576427
1016289125
119216296
1255566b1
1334b4348
1422403ad
15166b61a
hexf88d65

16289125 has 16 divisors (see below), whose sum is σ = 20487168. Its totient is φ = 12930000.

The previous prime is 16289123. The next prime is 16289153. The reversal of 16289125 is 52198261.

It is not a de Polignac number, because 16289125 - 21 = 16289123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16289123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18444 + ... + 19306.

It is an arithmetic number, because the mean of its divisors is an integer number (1280448).

Almost surely, 216289125 is an apocalyptic number.

It is an amenable number.

16289125 is a deficient number, since it is larger than the sum of its proper divisors (4198043).

16289125 is an equidigital number, since it uses as much as digits as its factorization.

16289125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1019 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 16289125 is about 4035.9788156035. The cubic root of 16289125 is about 253.4929693685.

The spelling of 16289125 in words is "sixteen million, two hundred eighty-nine thousand, one hundred twenty-five".

Divisors: 1 5 25 125 151 755 863 3775 4315 18875 21575 107875 130313 651565 3257825 16289125