Search a number
-
+
13234193 = 71890599
BaseRepresentation
bin110010011111…
…000000010001
3220220100220022
4302133000101
511341443233
61151353225
7220326440
oct62370021
926810808
1013234193
11751a055
124522815
1329849ab
141a86d57
151266398
hexc9f011

13234193 has 4 divisors (see below), whose sum is σ = 15124800. Its totient is φ = 11343588.

The previous prime is 13234189. The next prime is 13234201. The reversal of 13234193 is 39143231.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39143231 = 172302543.

It is a cyclic number.

It is not a de Polignac number, because 13234193 - 22 = 13234189 is a prime.

It is a super-2 number, since 2×132341932 = 350287728722498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13234183) 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, 945293 + ... + 945306.

It is an arithmetic number, because the mean of its divisors is an integer number (3781200).

Almost surely, 213234193 is an apocalyptic number.

It is an amenable number.

13234193 is a deficient number, since it is larger than the sum of its proper divisors (1890607).

13234193 is an equidigital number, since it uses as much as digits as its factorization.

13234193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890606.

The product of its digits is 1944, while the sum is 26.

The square root of 13234193 is about 3637.8830382518. The cubic root of 13234193 is about 236.5370382718.

The spelling of 13234193 in words is "thirteen million, two hundred thirty-four thousand, one hundred ninety-three".

Divisors: 1 7 1890599 13234193