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16086740 = 225804337
BaseRepresentation
bin111101010111…
…011011010100
31010021021212012
4331113123110
513104233430
61332443352
7253510055
oct75273324
933237765
1016086740
11909822a
125479558
1334431a7
1421ca72c
15162b695
hexf576d4

16086740 has 12 divisors (see below), whose sum is σ = 33782196. Its totient is φ = 6434688.

The previous prime is 16086731. The next prime is 16086761. The reversal of 16086740 is 4768061.

It can be written as a sum of positive squares in 2 ways, for example, as 12292036 + 3794704 = 3506^2 + 1948^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16086697 and 16086706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402149 + ... + 402188.

It is an arithmetic number, because the mean of its divisors is an integer number (2815183).

Almost surely, 216086740 is an apocalyptic number.

16086740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16086740 is an abundant number, since it is smaller than the sum of its proper divisors (17695456).

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

16086740 is a wasteful number, since it uses less digits than its factorization.

16086740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804346 (or 804344 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 16086740 is about 4010.8278447223. The cubic root of 16086740 is about 252.4387460474.

The spelling of 16086740 in words is "sixteen million, eighty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 804337 1608674 3217348 4021685 8043370 16086740