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16207893 = 32131923317
BaseRepresentation
bin111101110101…
…000000010101
31010111110001100
4331311000111
513122123033
61335220313
7254523222
oct75650025
933443040
1016207893
119170259
125517699
133486390
14221c949
151652513
hexf75015

16207893 has 48 divisors (see below), whose sum is σ = 27780480. Its totient is φ = 9009792.

The previous prime is 16207889. The next prime is 16207907. The reversal of 16207893 is 39870261.

16207893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16207893 - 22 = 16207889 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16207843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50971 + ... + 51287.

It is an arithmetic number, because the mean of its divisors is an integer number (578760).

Almost surely, 216207893 is an apocalyptic number.

16207893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16207893 is a deficient number, since it is larger than the sum of its proper divisors (11572587).

16207893 is a wasteful number, since it uses less digits than its factorization.

16207893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 16207893 is about 4025.9027559046. The cubic root of 16207893 is about 253.0708868321.

The spelling of 16207893 in words is "sixteen million, two hundred seven thousand, eight hundred ninety-three".

Divisors: 1 3 9 13 19 23 39 57 69 117 171 207 247 299 317 437 741 897 951 1311 2223 2691 2853 3933 4121 5681 6023 7291 12363 17043 18069 21873 37089 51129 54207 65619 78299 94783 138529 234897 284349 415587 704691 853047 1246761 1800877 5402631 16207893