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13860349 is a prime number
BaseRepresentation
bin110100110111…
…110111111101
3222002011211021
4310313313331
512022012344
61213024141
7225545116
oct64676775
928064737
1013860349
117907538
124785051
132b439b9
141bab20d
15133bb84
hexd37dfd

13860349 has 2 divisors, whose sum is σ = 13860350. Its totient is φ = 13860348.

The previous prime is 13860323. The next prime is 13860373. The reversal of 13860349 is 94306831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 2924100 = 3307^2 + 1710^2 .

It is a cyclic number.

It is not a de Polignac number, because 13860349 - 211 = 13858301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13860449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6930174 + 6930175.

It is an arithmetic number, because the mean of its divisors is an integer number (6930175).

Almost surely, 213860349 is an apocalyptic number.

It is an amenable number.

13860349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13860349 is an equidigital number, since it uses as much as digits as its factorization.

13860349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13860349 is about 3722.9489655379. The cubic root of 13860349 is about 240.2101689098.

The spelling of 13860349 in words is "thirteen million, eight hundred sixty thousand, three hundred forty-nine".