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1313361 = 3376949
BaseRepresentation
bin101000000101001010001
32110201121000
411000221101
5314011421
644052213
714110020
oct5005121
92421530
101313361
11817825
12534069
1336ca4a
142628b7
151ae226
hex140a51

1313361 has 16 divisors (see below), whose sum is σ = 2224000. Its totient is φ = 750384.

The previous prime is 1313359. The next prime is 1313363. The reversal of 1313361 is 1633131.

It is an interprime number because it is at equal distance from previous prime (1313359) and next prime (1313363).

It is not a de Polignac number, because 1313361 - 21 = 1313359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3286 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (139000).

21313361 is an apocalyptic number.

It is an amenable number.

1313361 is a deficient number, since it is larger than the sum of its proper divisors (910639).

1313361 is an equidigital number, since it uses as much as digits as its factorization.

1313361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965 (or 6959 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 1313361 is about 1146.0196333397. The cubic root of 1313361 is about 109.5119146352.

Adding to 1313361 its reverse (1633131), we get a palindrome (2946492).

The spelling of 1313361 in words is "one million, three hundred thirteen thousand, three hundred sixty-one".

Divisors: 1 3 7 9 21 27 63 189 6949 20847 48643 62541 145929 187623 437787 1313361