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16272493 = 19899623
BaseRepresentation
bin111110000100…
…110001101101
31010121201122221
4332010301231
513131204433
61340435341
7255212446
oct76046155
933551587
1016272493
119204846
125548b51
1334a98c3
1422382cd
15166672d
hexf84c6d

16272493 has 8 divisors (see below), whose sum is σ = 17323200. Its totient is φ = 15241248.

The previous prime is 16272461. The next prime is 16272497. The reversal of 16272493 is 39427261.

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

It is a cyclic number.

It is not a de Polignac number, because 16272493 - 25 = 16272461 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 (16272497) 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 7 ways as a sum of consecutive naturals, for example, 3121 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (2165400).

Almost surely, 216272493 is an apocalyptic number.

It is an amenable number.

16272493 is a deficient number, since it is larger than the sum of its proper divisors (1050707).

16272493 is an equidigital number, since it uses as much as digits as its factorization.

16272493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731.

The product of its digits is 18144, while the sum is 34.

The square root of 16272493 is about 4033.9178226632. The cubic root of 16272493 is about 253.4066637131.

The spelling of 16272493 in words is "sixteen million, two hundred seventy-two thousand, four hundred ninety-three".

Divisors: 1 19 89 1691 9623 182837 856447 16272493