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1395313 = 8316811
BaseRepresentation
bin101010100101001110001
32121220000021
411110221301
5324122223
645523441
714600653
oct5245161
92556007
101395313
11873357
12573581
1339b13a
142846d3
151c865d
hex154a71

1395313 has 4 divisors (see below), whose sum is σ = 1412208. Its totient is φ = 1378420.

The previous prime is 1395301. The next prime is 1395319. The reversal of 1395313 is 3135931.

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: 3135931 = 19165049.

It is a cyclic number.

It is not a de Polignac number, because 1395313 - 213 = 1387121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395319) 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, 8323 + ... + 8488.

It is an arithmetic number, because the mean of its divisors is an integer number (353052).

21395313 is an apocalyptic number.

It is an amenable number.

1395313 is a deficient number, since it is larger than the sum of its proper divisors (16895).

1395313 is an equidigital number, since it uses as much as digits as its factorization.

1395313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16894.

The product of its digits is 1215, while the sum is 25.

The square root of 1395313 is about 1181.2336771359. The cubic root of 1395313 is about 111.7439142737.

The spelling of 1395313 in words is "one million, three hundred ninety-five thousand, three hundred thirteen".

Divisors: 1 83 16811 1395313