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103409393 is a prime number
BaseRepresentation
bin1100010100111…
…10011011110001
321012120202000112
412022132123301
5202433100033
614132231105
72363652053
oct612363361
9235522015
10103409393
115341000a
122a76b495
13185685b9
14da3b8d3
159129c48
hex629e6f1

103409393 has 2 divisors, whose sum is σ = 103409394. Its totient is φ = 103409392.

The previous prime is 103409329. The next prime is 103409407. The reversal of 103409393 is 393904301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52243984 + 51165409 = 7228^2 + 7153^2 .

It is a cyclic number.

It is not a de Polignac number, because 103409393 - 26 = 103409329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103409323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51704696 + 51704697.

It is an arithmetic number, because the mean of its divisors is an integer number (51704697).

Almost surely, 2103409393 is an apocalyptic number.

It is an amenable number.

103409393 is a deficient number, since it is larger than the sum of its proper divisors (1).

103409393 is an equidigital number, since it uses as much as digits as its factorization.

103409393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 103409393 is about 10169.0409085616. The cubic root of 103409393 is about 469.3750453338.

The spelling of 103409393 in words is "one hundred three million, four hundred nine thousand, three hundred ninety-three".