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613331 = 976323
BaseRepresentation
bin10010101101111010011
31011011022222
42111233103
5124111311
621051255
75133065
oct2255723
91134288
10613331
11389894
12256b2b
13186224
1411d735
hex95bd3

613331 has 4 divisors (see below), whose sum is σ = 619752. Its totient is φ = 606912.

The previous prime is 613297. The next prime is 613337. The reversal of 613331 is 133316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 613331 - 26 = 613267 is a prime.

It is a super-2 number, since 2×6133312 = 752349831122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613337) 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, 3065 + ... + 3258.

It is an arithmetic number, because the mean of its divisors is an integer number (154938).

2613331 is an apocalyptic number.

613331 is a deficient number, since it is larger than the sum of its proper divisors (6421).

613331 is an equidigital number, since it uses as much as digits as its factorization.

613331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420.

The product of its digits is 162, while the sum is 17.

The square root of 613331 is about 783.1545185977. The cubic root of 613331 is about 84.9633521369.

Adding to 613331 its reverse (133316), we get a palindrome (746647).

The spelling of 613331 in words is "six hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 97 6323 613331