Search a number
-
+
152215451 is a prime number
BaseRepresentation
bin10010001001010…
…01111110011011
3101121102100100022
421010221332123
5302431343301
623034301055
73525544553
oct1104517633
9347370308
10152215451
1178a157a3
1242b8778b
13256c641b
1416304163
15d56ad1b
hex9129f9b

152215451 has 2 divisors, whose sum is σ = 152215452. Its totient is φ = 152215450.

The previous prime is 152215421. The next prime is 152215463. The reversal of 152215451 is 154512251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152215451 - 26 = 152215387 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152215451.

It is not a weakly prime, because it can be changed into another prime (152215421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76107725 + 76107726.

It is an arithmetic number, because the mean of its divisors is an integer number (76107726).

Almost surely, 2152215451 is an apocalyptic number.

152215451 is a deficient number, since it is larger than the sum of its proper divisors (1).

152215451 is an equidigital number, since it uses as much as digits as its factorization.

152215451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000, while the sum is 26.

The square root of 152215451 is about 12337.5626036912. The cubic root of 152215451 is about 533.9323641232.

The spelling of 152215451 in words is "one hundred fifty-two million, two hundred fifteen thousand, four hundred fifty-one".