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12379938 = 232063323
BaseRepresentation
bin101111001110…
…011100100010
3212021222002020
4233032130202
511132124223
61121202310
7210141054
oct57163442
925258066
1012379938
116a9625a
124190396
132745c0c
1419038d4
1511481e3
hexbce722

12379938 has 8 divisors (see below), whose sum is σ = 24759888. Its totient is φ = 4126644.

The previous prime is 12379937. The next prime is 12379949. The reversal of 12379938 is 83997321.

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

12379938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12379938.

It is not an unprimeable number, because it can be changed into a prime (12379931) by changing a digit.

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, 1031656 + ... + 1031667.

It is an arithmetic number, because the mean of its divisors is an integer number (3094986).

Almost surely, 212379938 is an apocalyptic number.

12379938 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.

12379938 is a wasteful number, since it uses less digits than its factorization.

12379938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063328.

The product of its digits is 81648, while the sum is 42.

The square root of 12379938 is about 3518.5136066243. The cubic root of 12379938 is about 231.3340120366.

It can be divided in two parts, 1237 and 9938, that added together give a triangular number (11175 = T149).

The spelling of 12379938 in words is "twelve million, three hundred seventy-nine thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 2063323 4126646 6189969 12379938