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13848401 = 71978343
BaseRepresentation
bin110100110100…
…111101010001
3222001120102202
4310310331101
512021122101
61212452545
7225465230
oct64647521
928046382
1013848401
1178a9566
12477a155
132b3b428
141ba6b17
15133836b
hexd34f51

13848401 has 4 divisors (see below), whose sum is σ = 15826752. Its totient is φ = 11870052.

The previous prime is 13848391. The next prime is 13848427. The reversal of 13848401 is 10484831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13848401 - 218 = 13586257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13848481) 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, 989165 + ... + 989178.

It is an arithmetic number, because the mean of its divisors is an integer number (3956688).

Almost surely, 213848401 is an apocalyptic number.

It is an amenable number.

13848401 is a deficient number, since it is larger than the sum of its proper divisors (1978351).

13848401 is an equidigital number, since it uses as much as digits as its factorization.

13848401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978350.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 13848401 is about 3721.3439776511. The cubic root of 13848401 is about 240.1411264883.

The spelling of 13848401 in words is "thirteen million, eight hundred forty-eight thousand, four hundred one".

Divisors: 1 7 1978343 13848401