Base | Representation |
---|---|
bin | 10010010111000… |
… | …00001000100101 |
3 | 101201210112012121 |
4 | 21023200020211 |
5 | 303411311044 |
6 | 23140545541 |
7 | 3550031116 |
oct | 1113401045 |
9 | 351715177 |
10 | 154010149 |
11 | 79a31117 |
12 | 436b22b1 |
13 | 25ba4287 |
14 | 1665020d |
15 | d7c2984 |
hex | 92e0225 |
154010149 has 2 divisors, whose sum is σ = 154010150. Its totient is φ = 154010148.
The previous prime is 154010141. The next prime is 154010159. The reversal of 154010149 is 941010451.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 149279524 + 4730625 = 12218^2 + 2175^2 .
It is a cyclic number.
It is not a de Polignac number, because 154010149 - 23 = 154010141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (154010141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77005074 + 77005075.
It is an arithmetic number, because the mean of its divisors is an integer number (77005075).
Almost surely, 2154010149 is an apocalyptic number.
It is an amenable number.
154010149 is a deficient number, since it is larger than the sum of its proper divisors (1).
154010149 is an equidigital number, since it uses as much as digits as its factorization.
154010149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 720, while the sum is 25.
The square root of 154010149 is about 12410.0825541170. The cubic root of 154010149 is about 536.0226156734.
The spelling of 154010149 in words is "one hundred fifty-four million, ten thousand, one hundred forty-nine".
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