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12109794 = 232018299
BaseRepresentation
bin101110001100…
…011111100010
3211210020111220
4232030133202
511100003134
61111315510
7204634344
oct56143742
924706456
1012109794
1169212a4
12407bb96
13267cc78
141873294
1510e3149
hexb8c7e2

12109794 has 8 divisors (see below), whose sum is σ = 24219600. Its totient is φ = 4036596.

The previous prime is 12109697. The next prime is 12109817. The reversal of 12109794 is 49790121.

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

12109794 is an admirable number.

It is a super-2 number, since 2×121097942 = 293294221444872, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009144 + ... + 1009155.

It is an arithmetic number, because the mean of its divisors is an integer number (3027450).

Almost surely, 212109794 is an apocalyptic number.

12109794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12109794 is a wasteful number, since it uses less digits than its factorization.

12109794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018304.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 12109794 is about 3479.9129299452. The cubic root of 12109794 is about 229.6389672922.

The spelling of 12109794 in words is "twelve million, one hundred nine thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 2018299 4036598 6054897 12109794