Search a number
-
+
15240593 is a prime number
BaseRepresentation
bin111010001000…
…110110010001
31001200022011102
4322020312101
512400144333
61302354145
7243354134
oct72106621
931608142
1015240593
11866a535
12512b955
133208004
14204a21b
151510ae8
hexe88d91

15240593 has 2 divisors, whose sum is σ = 15240594. Its totient is φ = 15240592.

The previous prime is 15240583. The next prime is 15240607. The reversal of 15240593 is 39504251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12475024 + 2765569 = 3532^2 + 1663^2 .

It is an emirp because it is prime and its reverse (39504251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15240593 - 212 = 15236497 is a prime.

It is not a weakly prime, because it can be changed into another prime (15240503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7620296 + 7620297.

It is an arithmetic number, because the mean of its divisors is an integer number (7620297).

Almost surely, 215240593 is an apocalyptic number.

It is an amenable number.

15240593 is a deficient number, since it is larger than the sum of its proper divisors (1).

15240593 is an equidigital number, since it uses as much as digits as its factorization.

15240593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 15240593 is about 3903.9202092256. The cubic root of 15240593 is about 247.9327829020.

The spelling of 15240593 in words is "fifteen million, two hundred forty thousand, five hundred ninety-three".