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158628163 is a prime number
BaseRepresentation
bin10010111010001…
…11100101000011
3102001111010221011
421131013211003
5311102100123
623423541351
73634213531
oct1135074503
9361433834
10158628163
11815a5761
124515a857
1326b30225
14170d3151
15ddd5e0d
hex9747943

158628163 has 2 divisors, whose sum is σ = 158628164. Its totient is φ = 158628162.

The previous prime is 158628133. The next prime is 158628181. The reversal of 158628163 is 361826851.

158628163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (361826851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158628163 - 217 = 158497091 is a prime.

It is not a weakly prime, because it can be changed into another prime (158628133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79314081 + 79314082.

It is an arithmetic number, because the mean of its divisors is an integer number (79314082).

Almost surely, 2158628163 is an apocalyptic number.

158628163 is a deficient number, since it is larger than the sum of its proper divisors (1).

158628163 is an equidigital number, since it uses as much as digits as its factorization.

158628163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 158628163 is about 12594.7672864567. The cubic root of 158628163 is about 541.3275100164.

It can be divided in two parts, 15862 and 8163, that added together give a square (24025 = 1552).

The spelling of 158628163 in words is "one hundred fifty-eight million, six hundred twenty-eight thousand, one hundred sixty-three".