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1309113 = 321367167
BaseRepresentation
bin100111111100110111001
32110111202200
410333212321
5313342423
644020413
714061441
oct4774671
92414680
101309113
11814613
12531709
1336ab30
14261121
151acd43
hex13f9b9

1309113 has 24 divisors (see below), whose sum is σ = 2079168. Its totient is φ = 788832.

The previous prime is 1309103. The next prime is 1309117. The reversal of 1309113 is 3119031.

It is not a de Polignac number, because 1309113 - 213 = 1300921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1309117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7756 + ... + 7922.

It is an arithmetic number, because the mean of its divisors is an integer number (86632).

21309113 is an apocalyptic number.

1309113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1309113 is a deficient number, since it is larger than the sum of its proper divisors (770055).

1309113 is a wasteful number, since it uses less digits than its factorization.

1309113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1309113 is about 1144.1647608627. The cubic root of 1309113 is about 109.3937168513.

The spelling of 1309113 in words is "one million, three hundred nine thousand, one hundred thirteen".

Divisors: 1 3 9 13 39 67 117 167 201 501 603 871 1503 2171 2613 6513 7839 11189 19539 33567 100701 145457 436371 1309113