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152197819 is a prime number
BaseRepresentation
bin10010001001001…
…01101010111011
3101121101110011021
421010211222323
5302430312234
623034043311
73525442264
oct1104455273
9347343137
10152197819
1178a03524
1242b79537
13256bb3a7
14162db96b
15d5659b4
hex9125abb

152197819 has 2 divisors, whose sum is σ = 152197820. Its totient is φ = 152197818.

The previous prime is 152197811. The next prime is 152197873. The reversal of 152197819 is 918791251.

152197819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152197819 - 23 = 152197811 is a prime.

It is a super-2 number, since 2×1521978192 = 46328352216713522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152197811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76098909 + 76098910.

It is an arithmetic number, because the mean of its divisors is an integer number (76098910).

Almost surely, 2152197819 is an apocalyptic number.

152197819 is a deficient number, since it is larger than the sum of its proper divisors (1).

152197819 is an equidigital number, since it uses as much as digits as its factorization.

152197819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 43.

The square root of 152197819 is about 12336.8480172206. The cubic root of 152197819 is about 533.9117471646.

The spelling of 152197819 in words is "one hundred fifty-two million, one hundred ninety-seven thousand, eight hundred nineteen".