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15034021 is a prime number
BaseRepresentation
bin111001010110…
…011010100101
31001021210210121
4321112122211
512322042041
61254121541
7241533652
oct71263245
931253717
1015034021
118539312
1250502b1
133164c92
141dd4c29
1514be7d1
hexe566a5

15034021 has 2 divisors, whose sum is σ = 15034022. Its totient is φ = 15034020.

The previous prime is 15033989. The next prime is 15034027. The reversal of 15034021 is 12043051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14976900 + 57121 = 3870^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 15034021 - 25 = 15033989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15033986 and 15034004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15034027) 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, 7517010 + 7517011.

It is an arithmetic number, because the mean of its divisors is an integer number (7517011).

Almost surely, 215034021 is an apocalyptic number.

It is an amenable number.

15034021 is a deficient number, since it is larger than the sum of its proper divisors (1).

15034021 is an equidigital number, since it uses as much as digits as its factorization.

15034021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 15034021 is about 3877.3729508522. The cubic root of 15034021 is about 246.8075177625.

Adding to 15034021 its reverse (12043051), we get a palindrome (27077072).

The spelling of 15034021 in words is "fifteen million, thirty-four thousand, twenty-one".