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13863193 = 127109159
BaseRepresentation
bin110100111000…
…100100011001
3222002022201121
4310320210121
512022110233
61213045241
7225556321
oct64704431
928068647
1013863193
117909693
124786821
132b45096
141bac281
15133c92d
hexd38919

13863193 has 4 divisors (see below), whose sum is σ = 13972480. Its totient is φ = 13753908.

The previous prime is 13863191. The next prime is 13863203. The reversal of 13863193 is 39136831.

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 13863193 - 21 = 13863191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13863191) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54453 + ... + 54706.

It is an arithmetic number, because the mean of its divisors is an integer number (3493120).

Almost surely, 213863193 is an apocalyptic number.

It is an amenable number.

13863193 is a deficient number, since it is larger than the sum of its proper divisors (109287).

13863193 is a wasteful number, since it uses less digits than its factorization.

13863193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109286.

The product of its digits is 11664, while the sum is 34.

The square root of 13863193 is about 3723.3309012227. The cubic root of 13863193 is about 240.2265973321.

The spelling of 13863193 in words is "thirteen million, eight hundred sixty-three thousand, one hundred ninety-three".

Divisors: 1 127 109159 13863193