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11397313 = 27134201
BaseRepresentation
bin101011011110…
…100011000001
3210110001011201
4223132203001
510404203223
61044141201
7165606214
oct53364301
923401151
1011397313
116484a74
123997801
132490895
14172977b
151001ead
hexade8c1

11397313 has 4 divisors (see below), whose sum is σ = 11404228. Its totient is φ = 11390400.

The previous prime is 11397277. The next prime is 11397317. The reversal of 11397313 is 31379311.

11397313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31379311 = 85336787.

It can be written as a sum of positive squares in 2 ways, for example, as 6411024 + 4986289 = 2532^2 + 2233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11397313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11397317) 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, 613 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (2851057).

Almost surely, 211397313 is an apocalyptic number.

It is an amenable number.

11397313 is a deficient number, since it is larger than the sum of its proper divisors (6915).

11397313 is an equidigital number, since it uses as much as digits as its factorization.

11397313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914.

The product of its digits is 1701, while the sum is 28.

The square root of 11397313 is about 3375.9906694184. The cubic root of 11397313 is about 225.0440275982.

The spelling of 11397313 in words is "eleven million, three hundred ninety-seven thousand, three hundred thirteen".

Divisors: 1 2713 4201 11397313