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13848079 = 71978297
BaseRepresentation
bin110100110100…
…111000001111
3222001112222211
4310310320033
512021114304
61212451251
7225464260
oct64647017
928045884
1013848079
1178a92a3
124779b27
132b3b23b
141ba6967
151338204
hexd34e0f

13848079 has 4 divisors (see below), whose sum is σ = 15826384. Its totient is φ = 11869776.

The previous prime is 13848071. The next prime is 13848091. The reversal of 13848079 is 97084831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97084831 = 142967939.

It is a cyclic number.

It is not a de Polignac number, because 13848079 - 23 = 13848071 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13848071) 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, 989142 + ... + 989155.

It is an arithmetic number, because the mean of its divisors is an integer number (3956596).

Almost surely, 213848079 is an apocalyptic number.

13848079 is a deficient number, since it is larger than the sum of its proper divisors (1978305).

13848079 is an equidigital number, since it uses as much as digits as its factorization.

13848079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978304.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 13848079 is about 3721.3007134603. The cubic root of 13848079 is about 240.1392652375.

The spelling of 13848079 in words is "thirteen million, eight hundred forty-eight thousand, seventy-nine".

Divisors: 1 7 1978297 13848079