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30716886 = 2334914669
BaseRepresentation
bin111010100101…
…1001111010110
32010210120122110
41311023033112
530330420021
63014211450
7522042414
oct165131726
963716573
1030716886
1116380062
12a353b86
136496395
1441182b4
152a6b476
hex1d4b3d6

30716886 has 16 divisors (see below), whose sum is σ = 61614000. Its totient is φ = 10208928.

The previous prime is 30716869. The next prime is 30716899. The reversal of 30716886 is 68861703.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5241 + ... + 9428.

It is an arithmetic number, because the mean of its divisors is an integer number (3850875).

Almost surely, 230716886 is an apocalyptic number.

30716886 is an abundant number, since it is smaller than the sum of its proper divisors (30897114).

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

30716886 is a wasteful number, since it uses less digits than its factorization.

30716886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15023.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 30716886 is about 5542.2816601108. The cubic root of 30716886 is about 313.1788285593.

The spelling of 30716886 in words is "thirty million, seven hundred sixteen thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 349 698 1047 2094 14669 29338 44007 88014 5119481 10238962 15358443 30716886