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12079420 = 2254114731
BaseRepresentation
bin101110000101…
…000100111100
3211201200211221
4232011010330
511043020140
61110523124
7204446653
oct56050474
924650757
1012079420
1169004a1
1240664a4
13266c1b2
14186619a
1510d914a
hexb8513c

12079420 has 24 divisors (see below), whose sum is σ = 25987248. Its totient is φ = 4713600.

The previous prime is 12079409. The next prime is 12079433. The reversal of 12079420 is 2497021.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6546 + ... + 8185.

It is an arithmetic number, because the mean of its divisors is an integer number (1082802).

Almost surely, 212079420 is an apocalyptic number.

12079420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12079420 is an abundant number, since it is smaller than the sum of its proper divisors (13907828).

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

12079420 is a wasteful number, since it uses less digits than its factorization.

12079420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14781 (or 14779 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12079420 is about 3475.5460002710. The cubic root of 12079420 is about 229.4468117036.

The spelling of 12079420 in words is "twelve million, seventy-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 14731 29462 58924 73655 147310 294620 603971 1207942 2415884 3019855 6039710 12079420