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15068869 is a prime number
BaseRepresentation
bin111001011110…
…111011000101
31001100120121021
4321132323011
512324200434
61254551141
7242040364
oct71367305
931316537
1015068869
118562512
1250684b1
133177aba
1420037db
1514c9cb4
hexe5eec5

15068869 has 2 divisors, whose sum is σ = 15068870. Its totient is φ = 15068868.

The previous prime is 15068863. The next prime is 15068909. The reversal of 15068869 is 96886051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14630625 + 438244 = 3825^2 + 662^2 .

It is a cyclic number.

It is not a de Polignac number, because 15068869 - 27 = 15068741 is a prime.

It is a super-2 number, since 2×150688692 = 454141625878322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15068863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7534434 + 7534435.

It is an arithmetic number, because the mean of its divisors is an integer number (7534435).

Almost surely, 215068869 is an apocalyptic number.

It is an amenable number.

15068869 is a deficient number, since it is larger than the sum of its proper divisors (1).

15068869 is an equidigital number, since it uses as much as digits as its factorization.

15068869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 15068869 is about 3881.8641140565. The cubic root of 15068869 is about 246.9980658440.

The spelling of 15068869 in words is "fifteen million, sixty-eight thousand, eight hundred sixty-nine".