Search a number
-
+
62668313 = 531182421
BaseRepresentation
bin1110111100001…
…1111000011001
311100220212202122
43233003320121
5112020341223
610115111025
71360446311
oct357037031
9140825678
1062668313
11324136a4
1218ba2475
13cca2656
148474441
15577d5c8
hex3bc3e19

62668313 has 4 divisors (see below), whose sum is σ = 63850788. Its totient is φ = 61485840.

The previous prime is 62668301. The next prime is 62668349. The reversal of 62668313 is 31386626.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31386626 = 215693313.

It can be written as a sum of positive squares in 2 ways, for example, as 56130064 + 6538249 = 7492^2 + 2557^2 .

It is a cyclic number.

It is not a de Polignac number, because 62668313 - 28 = 62668057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62668373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591158 + ... + 591263.

It is an arithmetic number, because the mean of its divisors is an integer number (15962697).

Almost surely, 262668313 is an apocalyptic number.

It is an amenable number.

62668313 is a deficient number, since it is larger than the sum of its proper divisors (1182475).

62668313 is a wasteful number, since it uses less digits than its factorization.

62668313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182474.

The product of its digits is 31104, while the sum is 35.

The square root of 62668313 is about 7916.3320420508. The cubic root of 62668313 is about 397.2061839946.

The spelling of 62668313 in words is "sixty-two million, six hundred sixty-eight thousand, three hundred thirteen".

Divisors: 1 53 1182421 62668313