Base | Representation |
---|---|
bin | 10001110011100… |
… | …10000110100101 |
3 | 101102001112110212 |
4 | 20321302012211 |
5 | 301214141112 |
6 | 22453225205 |
7 | 3462403634 |
oct | 1071620645 |
9 | 342045425 |
10 | 149365157 |
11 | 77349287 |
12 | 42032205 |
13 | 24c38c66 |
14 | 15ba151b |
15 | d1a6522 |
hex | 8e721a5 |
149365157 has 2 divisors, whose sum is σ = 149365158. Its totient is φ = 149365156.
The previous prime is 149365103. The next prime is 149365169. The reversal of 149365157 is 751563941.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 109851361 + 39513796 = 10481^2 + 6286^2 .
It is a cyclic number.
It is not a de Polignac number, because 149365157 - 26 = 149365093 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (149365357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74682578 + 74682579.
It is an arithmetic number, because the mean of its divisors is an integer number (74682579).
Almost surely, 2149365157 is an apocalyptic number.
It is an amenable number.
149365157 is a deficient number, since it is larger than the sum of its proper divisors (1).
149365157 is an equidigital number, since it uses as much as digits as its factorization.
149365157 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 113400, while the sum is 41.
The square root of 149365157 is about 12221.5038763648. The cubic root of 149365157 is about 530.5786453375.
The spelling of 149365157 in words is "one hundred forty-nine million, three hundred sixty-five thousand, one hundred fifty-seven".
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