Search a number
-
+
1313956 = 227167281
BaseRepresentation
bin101000000110010100100
32110202102001
411000302210
5314021311
644055044
714111530
oct5006244
92422361
101313956
11818216
12534484
133700b7
14262bc0
151ae4c1
hex140ca4

1313956 has 24 divisors (see below), whose sum is σ = 2653056. Its totient is φ = 557760.

The previous prime is 1313953. The next prime is 1313957. The reversal of 1313956 is 6593131.

1313956 is nontrivially palindromic in base 6.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313953) 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 7 ways as a sum of consecutive naturals, for example, 4536 + ... + 4816.

It is an arithmetic number, because the mean of its divisors is an integer number (110544).

21313956 is an apocalyptic number.

It is an amenable number.

1313956 is an abundant number, since it is smaller than the sum of its proper divisors (1339100).

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

1313956 is a wasteful number, since it uses less digits than its factorization.

1313956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its digits is 2430, while the sum is 28.

The square root of 1313956 is about 1146.2791981014. The cubic root of 1313956 is about 109.5284497569.

The spelling of 1313956 in words is "one million, three hundred thirteen thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 14 28 167 281 334 562 668 1124 1169 1967 2338 3934 4676 7868 46927 93854 187708 328489 656978 1313956