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3913 = 71343
BaseRepresentation
bin111101001001
312100221
4331021
5111123
630041
714260
oct7511
95327
103913
112a38
122321
131a20
1415d7
15125d
hexf49

3913 has 8 divisors (see below), whose sum is σ = 4928. Its totient is φ = 3024.

The previous prime is 3911. The next prime is 3917. The reversal of 3913 is 3193.

It is a happy number.

3913 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3913 - 21 = 3911 is a prime.

It is a plaindrome in base 5 and base 15.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (3911) 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, 70 + ... + 112.

It is an arithmetic number, because the mean of its divisors is an integer number (616).

It is an amenable number.

3913 is a deficient number, since it is larger than the sum of its proper divisors (1015).

3913 is a wasteful number, since it uses less digits than its factorization.

3913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63.

The product of its digits is 81, while the sum is 16.

The square root of 3913 is about 62.5539766921. The cubic root of 3913 is about 15.7580793351.

The spelling of 3913 in words is "three thousand, nine hundred thirteen".

Divisors: 1 7 13 43 91 301 559 3913