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1313351 = 13101027
BaseRepresentation
bin101000000101001000111
32110201120122
411000221013
5314011401
644052155
714110004
oct5005107
92421518
101313351
11817816
1253405b
1336ca40
142628ab
151ae21b
hex140a47

1313351 has 4 divisors (see below), whose sum is σ = 1414392. Its totient is φ = 1212312.

The previous prime is 1313339. The next prime is 1313357. The reversal of 1313351 is 1533131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1533131 = 5328927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1313351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313357) 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, 50501 + ... + 50526.

It is an arithmetic number, because the mean of its divisors is an integer number (353598).

21313351 is an apocalyptic number.

1313351 is a deficient number, since it is larger than the sum of its proper divisors (101041).

1313351 is a wasteful number, since it uses less digits than its factorization.

1313351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101040.

The product of its digits is 135, while the sum is 17.

The square root of 1313351 is about 1146.0152704044. The cubic root of 1313351 is about 109.5116366914.

Adding to 1313351 its reverse (1533131), we get a palindrome (2846482).

The spelling of 1313351 in words is "one million, three hundred thirteen thousand, three hundred fifty-one".

Divisors: 1 13 101027 1313351