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103913 is a prime number
BaseRepresentation
bin11001010111101001
312021112122
4121113221
511311123
62121025
7611645
oct312751
9167478
10103913
1171087
1250175
13383b4
1429c25
1520bc8
hex195e9

103913 has 2 divisors, whose sum is σ = 103914. Its totient is φ = 103912.

The previous prime is 103903. The next prime is 103919. The reversal of 103913 is 319301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73984 + 29929 = 272^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 103913 - 28 = 103657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103891 and 103900.

It is not a weakly prime, because it can be changed into another prime (103919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51956 + 51957.

It is an arithmetic number, because the mean of its divisors is an integer number (51957).

2103913 is an apocalyptic number.

It is an amenable number.

103913 is a deficient number, since it is larger than the sum of its proper divisors (1).

103913 is an equidigital number, since it uses as much as digits as its factorization.

103913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 103913 is about 322.3553939366. The cubic root of 103913 is about 47.0135768835.

The spelling of 103913 in words is "one hundred three thousand, nine hundred thirteen".