Search a number
-
+
16313413 = 61267433
BaseRepresentation
bin111110001110…
…110001000101
31010200210210111
4332032301011
513134012123
61341353021
7255442654
oct76166105
933623714
1016313413
119232566
125568771
1334c240c
14224919b
15167390d
hexf8ec45

16313413 has 4 divisors (see below), whose sum is σ = 16580908. Its totient is φ = 16045920.

The previous prime is 16313393. The next prime is 16313447. The reversal of 16313413 is 31431361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31431361 = 132417797.

It can be written as a sum of positive squares in 2 ways, for example, as 9253764 + 7059649 = 3042^2 + 2657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16313413 is a prime.

It is a super-2 number, since 2×163134132 = 532254887417138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16313483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133656 + ... + 133777.

It is an arithmetic number, because the mean of its divisors is an integer number (4145227).

Almost surely, 216313413 is an apocalyptic number.

It is an amenable number.

16313413 is a deficient number, since it is larger than the sum of its proper divisors (267495).

16313413 is an equidigital number, since it uses as much as digits as its factorization.

16313413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267494.

The product of its digits is 648, while the sum is 22.

The square root of 16313413 is about 4038.9866303319. The cubic root of 16313413 is about 253.6188975509.

Adding to 16313413 its reverse (31431361), we get a palindrome (47744774).

The spelling of 16313413 in words is "sixteen million, three hundred thirteen thousand, four hundred thirteen".

Divisors: 1 61 267433 16313413