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313193 = 3110103
BaseRepresentation
bin1001100011101101001
3120220121202
41030131221
540010233
610413545
72443046
oct1143551
9526552
10313193
111a4341
121312b5
13ac72a
14821cd
1562be8
hex4c769

313193 has 4 divisors (see below), whose sum is σ = 323328. Its totient is φ = 303060.

The previous prime is 313163. The next prime is 313207. The reversal of 313193 is 391313.

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 313193 - 26 = 313129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313133) 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, 5021 + ... + 5082.

It is an arithmetic number, because the mean of its divisors is an integer number (80832).

2313193 is an apocalyptic number.

It is an amenable number.

313193 is a deficient number, since it is larger than the sum of its proper divisors (10135).

313193 is a wasteful number, since it uses less digits than its factorization.

313193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134.

The product of its digits is 243, while the sum is 20.

The square root of 313193 is about 559.6364891606. The cubic root of 313193 is about 67.9105658180.

The spelling of 313193 in words is "three hundred thirteen thousand, one hundred ninety-three".

Divisors: 1 31 10103 313193