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158628133 is a prime number
BaseRepresentation
bin10010111010001…
…11100100100101
3102001111010220001
421131013210211
5311102100013
623423541301
73634213456
oct1135074445
9361433801
10158628133
11815a5734
124515a831
1326b30201
14170d312d
15ddd5ddd
hex9747925

158628133 has 2 divisors, whose sum is σ = 158628134. Its totient is φ = 158628132.

The previous prime is 158628101. The next prime is 158628163. The reversal of 158628133 is 331826851.

158628133 is nontrivially palindromic in base 15.

158628133 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 can be written as a sum of positive squares in only one way, i.e., 151831684 + 6796449 = 12322^2 + 2607^2 .

It is an emirp because it is prime and its reverse (331826851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158628133 - 25 = 158628101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158628092 and 158628101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158628163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79314066 + 79314067.

It is an arithmetic number, because the mean of its divisors is an integer number (79314067).

Almost surely, 2158628133 is an apocalyptic number.

It is an amenable number.

158628133 is a deficient number, since it is larger than the sum of its proper divisors (1).

158628133 is an equidigital number, since it uses as much as digits as its factorization.

158628133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 158628133 is about 12594.7660954859. The cubic root of 158628133 is about 541.3274758908.

The spelling of 158628133 in words is "one hundred fifty-eight million, six hundred twenty-eight thousand, one hundred thirty-three".