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30996165 = 357328307
BaseRepresentation
bin111011000111…
…1011011000101
32011022202202010
41312033123011
530413334130
63024204433
7524314554
oct166173305
964282663
1030996165
1116550972
12a469719
136563535
14418bd9b
152ac40b0
hex1d8f6c5

30996165 has 16 divisors (see below), whose sum is σ = 50275008. Its totient is φ = 16304256.

The previous prime is 30996139. The next prime is 30996179. The reversal of 30996165 is 56169903.

It is not a de Polignac number, because 30996165 - 27 = 30996037 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 13059 + ... + 15248.

It is an arithmetic number, because the mean of its divisors is an integer number (3142188).

Almost surely, 230996165 is an apocalyptic number.

It is an amenable number.

30996165 is a deficient number, since it is larger than the sum of its proper divisors (19278843).

30996165 is a wasteful number, since it uses less digits than its factorization.

30996165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28388.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 30996165 is about 5567.4199590115. The cubic root of 30996165 is about 314.1251107320.

The spelling of 30996165 in words is "thirty million, nine hundred ninety-six thousand, one hundred sixty-five".

Divisors: 1 3 5 15 73 219 365 1095 28307 84921 141535 424605 2066411 6199233 10332055 30996165