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16465423 = 131279973
BaseRepresentation
bin111110110011…
…111000001111
31010222112022111
4332303320033
513203343143
61344524451
7256645102
oct76637017
933875274
1016465423
119326797
125620727
133546670
142288739
1516a399d
hexfb3e0f

16465423 has 8 divisors (see below), whose sum is σ = 17873408. Its totient is φ = 15077664.

The previous prime is 16465403. The next prime is 16465439. The reversal of 16465423 is 32456461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16465423 is a prime.

It is a super-2 number, since 2×164654232 = 542220309137858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (2234176).

Almost surely, 216465423 is an apocalyptic number.

16465423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16465423 is a deficient number, since it is larger than the sum of its proper divisors (1407985).

16465423 is a wasteful number, since it uses less digits than its factorization.

16465423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113.

The product of its digits is 17280, while the sum is 31.

The square root of 16465423 is about 4057.7608357319. The cubic root of 16465423 is about 254.4042120444.

The spelling of 16465423 in words is "sixteen million, four hundred sixty-five thousand, four hundred twenty-three".

Divisors: 1 13 127 1651 9973 129649 1266571 16465423