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30836292 = 2232569691
BaseRepresentation
bin111010110100…
…0011001000100
32011000122102220
41311220121010
530343230132
63020532340
7523050504
oct165503104
964018386
1030836292
1116451843
12a3b10b0
136508836
144149a04
152a91a2c
hex1d68644

30836292 has 12 divisors (see below), whose sum is σ = 71951376. Its totient is φ = 10278760.

The previous prime is 30836287. The next prime is 30836303. The reversal of 30836292 is 29263803.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284834 + ... + 1284857.

It is an arithmetic number, because the mean of its divisors is an integer number (5995948).

Almost surely, 230836292 is an apocalyptic number.

It is an amenable number.

30836292 is an abundant number, since it is smaller than the sum of its proper divisors (41115084).

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

30836292 is a wasteful number, since it uses less digits than its factorization.

30836292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569698 (or 2569696 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30836292 is about 5553.0434898351. The cubic root of 30836292 is about 313.5841113922.

The spelling of 30836292 in words is "thirty million, eight hundred thirty-six thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 2569691 5139382 7709073 10278764 15418146 30836292