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13938373 is a prime number
BaseRepresentation
bin110101001010…
…111011000101
3222020010212001
4311022323011
512032011443
61214425301
7226321441
oct65127305
928203761
1013938373
117960119
124802231
132b70377
141bcb821
151354d4d
hexd4aec5

13938373 has 2 divisors, whose sum is σ = 13938374. Its totient is φ = 13938372.

The previous prime is 13938371. The next prime is 13938383. The reversal of 13938373 is 37383931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 263169 = 3698^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 13938373 - 21 = 13938371 is a prime.

Together with 13938371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13938371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969186 + 6969187.

It is an arithmetic number, because the mean of its divisors is an integer number (6969187).

Almost surely, 213938373 is an apocalyptic number.

It is an amenable number.

13938373 is a deficient number, since it is larger than the sum of its proper divisors (1).

13938373 is an equidigital number, since it uses as much as digits as its factorization.

13938373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 13938373 is about 3733.4130497442. The cubic root of 13938373 is about 240.6600637720.

The spelling of 13938373 in words is "thirteen million, nine hundred thirty-eight thousand, three hundred seventy-three".