Search a number
-
+
1315136 = 2620549
BaseRepresentation
bin101000001000101000000
32110211000202
411001011000
5314041021
644104332
714115134
oct5010500
92424022
101315136
11819099
125350a8
133707b4
142633c4
151aea0b
hex141140

1315136 has 14 divisors (see below), whose sum is σ = 2609850. Its totient is φ = 657536.

The previous prime is 1315087. The next prime is 1315151. The reversal of 1315136 is 6315131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 6400 = 1144^2 + 80^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211 + ... + 10338.

21315136 is an apocalyptic number.

1315136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1315136 is a deficient number, since it is larger than the sum of its proper divisors (1294714).

1315136 is an equidigital number, since it uses as much as digits as its factorization.

1315136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20561 (or 20551 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 1315136 is about 1146.7937914028. The cubic root of 1315136 is about 109.5612273387.

The spelling of 1315136 in words is "one million, three hundred fifteen thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 20549 41098 82196 164392 328784 657568 1315136