Search a number
-
+
15253157 is a prime number
BaseRepresentation
bin111010001011…
…111010100101
31001200221101202
4322023322211
512401100112
61302532245
7243435563
oct72137245
931627352
1015253157
118678a17
125137085
13321094a
142050a33
1515146c2
hexe8bea5

15253157 has 2 divisors, whose sum is σ = 15253158. Its totient is φ = 15253156.

The previous prime is 15253141. The next prime is 15253201. The reversal of 15253157 is 75135251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12737761 + 2515396 = 3569^2 + 1586^2 .

It is an emirp because it is prime and its reverse (75135251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15253157 - 24 = 15253141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15252157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626578 + 7626579.

It is an arithmetic number, because the mean of its divisors is an integer number (7626579).

Almost surely, 215253157 is an apocalyptic number.

It is an amenable number.

15253157 is a deficient number, since it is larger than the sum of its proper divisors (1).

15253157 is an equidigital number, since it uses as much as digits as its factorization.

15253157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5250, while the sum is 29.

The square root of 15253157 is about 3905.5290294658. The cubic root of 15253157 is about 248.0008942476. Note that the first 3 decimals are identical.

The spelling of 15253157 in words is "fifteen million, two hundred fifty-three thousand, one hundred fifty-seven".