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1313994 = 231143463
BaseRepresentation
bin101000000110011001010
32110202110110
411000303022
5314021434
644055150
714111613
oct5006312
92422413
101313994
11818250
125344b6
13370116
14262c0a
151ae4e9
hex140cca

1313994 has 32 divisors (see below), whose sum is σ = 2939904. Its totient is φ = 388080.

The previous prime is 1313987. The next prime is 1313999. The reversal of 1313994 is 4993131.

It is not an unprimeable number, because it can be changed into a prime (1313999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2607 + ... + 3069.

It is an arithmetic number, because the mean of its divisors is an integer number (91872).

21313994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469952).

1313994 is an abundant number, since it is smaller than the sum of its proper divisors (1625910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313994 is a wasteful number, since it uses less digits than its factorization.

1313994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its digits is 2916, while the sum is 30.

The square root of 1313994 is about 1146.2957733500. The cubic root of 1313994 is about 109.5295056119.

The spelling of 1313994 in words is "one million, three hundred thirteen thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 43 66 86 129 258 463 473 926 946 1389 1419 2778 2838 5093 10186 15279 19909 30558 39818 59727 119454 218999 437998 656997 1313994