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16916874 = 2313732971
BaseRepresentation
bin100000010001…
…0000110001010
31011211110120220
41000202012022
513312314444
61402330510
7263535222
oct100420612
934743526
1016916874
119604997
1257b9a36
133673cb0
142365082
151742619
hex102218a

16916874 has 32 divisors (see below), whose sum is σ = 36947904. Its totient is φ = 5132160.

The previous prime is 16916873. The next prime is 16916899. The reversal of 16916874 is 47861961.

It is not an unprimeable number, because it can be changed into a prime (16916873) 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 15 ways as a sum of consecutive naturals, for example, 4209 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (1154622).

Almost surely, 216916874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16916874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18473952).

16916874 is an abundant number, since it is smaller than the sum of its proper divisors (20031030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16916874 is a wasteful number, since it uses less digits than its factorization.

16916874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062.

The product of its digits is 72576, while the sum is 42.

The square root of 16916874 is about 4113.0127643857. The cubic root of 16916874 is about 256.7083753737.

The spelling of 16916874 in words is "sixteen million, nine hundred sixteen thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 73 78 146 219 438 949 1898 2847 2971 5694 5942 8913 17826 38623 77246 115869 216883 231738 433766 650649 1301298 2819479 5638958 8458437 16916874