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2315393 = 4156473
BaseRepresentation
bin1000110101010010000001
311100122010022
420311102001
51043043033
6121343225
725452263
oct10652201
94318108
102315393
111341653
12937b15
13630b72
14443b33
1530b098
hex235481

2315393 has 4 divisors (see below), whose sum is σ = 2371908. Its totient is φ = 2258880.

The previous prime is 2315371. The next prime is 2315399. The reversal of 2315393 is 3935132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 760384 + 1555009 = 872^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315393 - 26 = 2315329 is a prime.

It is a super-2 number, since 2×23153932 = 10722089488898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315399) 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, 28196 + ... + 28277.

It is an arithmetic number, because the mean of its divisors is an integer number (592977).

22315393 is an apocalyptic number.

It is an amenable number.

2315393 is a deficient number, since it is larger than the sum of its proper divisors (56515).

2315393 is an equidigital number, since it uses as much as digits as its factorization.

2315393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56514.

The product of its digits is 2430, while the sum is 26.

The square root of 2315393 is about 1521.6415478029. The cubic root of 2315393 is about 132.2944338217.

The spelling of 2315393 in words is "two million, three hundred fifteen thousand, three hundred ninety-three".

Divisors: 1 41 56473 2315393