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15020023 is a prime number
BaseRepresentation
bin111001010010…
…111111110111
31001021002121011
4321102333313
512321120043
61253533051
7241445104
oct71227767
931232534
1015020023
118529847
125044187
13315b7b5
141dcdaab
1514ba59d
hexe52ff7

15020023 has 2 divisors, whose sum is σ = 15020024. Its totient is φ = 15020022.

The previous prime is 15020011. The next prime is 15020053. The reversal of 15020023 is 32002051.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15020023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15019985 and 15020012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15020053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7510011 + 7510012.

It is an arithmetic number, because the mean of its divisors is an integer number (7510012).

Almost surely, 215020023 is an apocalyptic number.

15020023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15020023 is an equidigital number, since it uses as much as digits as its factorization.

15020023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 15020023 is about 3875.5674423238. The cubic root of 15020023 is about 246.7308941182.

Adding to 15020023 its reverse (32002051), we get a palindrome (47022074).

The spelling of 15020023 in words is "fifteen million, twenty thousand, twenty-three".