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13886193 = 34628731
BaseRepresentation
bin110100111110…
…001011110001
3222010111021110
4310332023301
512023324233
61213343533
7226013346
oct64761361
928114243
1013886193
1179249a2
124797ba9
132b526a9
141bb67cd
151344663
hexd3e2f1

13886193 has 4 divisors (see below), whose sum is σ = 18514928. Its totient is φ = 9257460.

The previous prime is 13886189. The next prime is 13886203. The reversal of 13886193 is 39168831.

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 not a de Polignac number, because 13886193 - 22 = 13886189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13886113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314363 + ... + 2314368.

It is an arithmetic number, because the mean of its divisors is an integer number (4628732).

Almost surely, 213886193 is an apocalyptic number.

It is an amenable number.

13886193 is a deficient number, since it is larger than the sum of its proper divisors (4628735).

13886193 is an equidigital number, since it uses as much as digits as its factorization.

13886193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628734.

The product of its digits is 31104, while the sum is 39.

The square root of 13886193 is about 3726.4182534976. The cubic root of 13886193 is about 240.3593747998.

The spelling of 13886193 in words is "thirteen million, eight hundred eighty-six thousand, one hundred ninety-three".

Divisors: 1 3 4628731 13886193