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16117893 = 331154269
BaseRepresentation
bin111101011111…
…000010000101
31010022212121000
4331133002011
513111233033
61333243513
7253666641
oct75370205
933285530
1016117893
119109680
125493599
13345441c
1421d7c21
151635a13
hexf5f085

16117893 has 16 divisors (see below), whose sum is σ = 26049600. Its totient is φ = 9768240.

The previous prime is 16117873. The next prime is 16117897. The reversal of 16117893 is 39871161.

It is a de Polignac number, because none of the positive numbers 2k-16117893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16117897) 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, 26838 + ... + 27431.

It is an arithmetic number, because the mean of its divisors is an integer number (1628100).

Almost surely, 216117893 is an apocalyptic number.

It is an amenable number.

16117893 is a deficient number, since it is larger than the sum of its proper divisors (9931707).

16117893 is a wasteful number, since it uses less digits than its factorization.

16117893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54289 (or 54283 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 16117893 is about 4014.7095785374. The cubic root of 16117893 is about 252.6015955575.

The spelling of 16117893 in words is "sixteen million, one hundred seventeen thousand, eight hundred ninety-three".

Divisors: 1 3 9 11 27 33 99 297 54269 162807 488421 596959 1465263 1790877 5372631 16117893