Base | Representation |
---|---|
bin | 10001110100010… |
… | …11011000111001 |
3 | 101102020210112212 |
4 | 20322023120321 |
5 | 301230444404 |
6 | 22455344505 |
7 | 3463314614 |
oct | 1072133071 |
9 | 342223485 |
10 | 149468729 |
11 | 7740a083 |
12 | 42082135 |
13 | 24c74147 |
14 | 15bcb17b |
15 | d1c706e |
hex | 8e8b639 |
149468729 has 2 divisors, whose sum is σ = 149468730. Its totient is φ = 149468728.
The previous prime is 149468719. The next prime is 149468749. The reversal of 149468729 is 927864941.
149468729 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 can be written as a sum of positive squares in only one way, i.e., 144961600 + 4507129 = 12040^2 + 2123^2 .
It is a cyclic number.
It is not a de Polignac number, because 149468729 - 212 = 149464633 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (149468719) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74734364 + 74734365.
It is an arithmetic number, because the mean of its divisors is an integer number (74734365).
Almost surely, 2149468729 is an apocalyptic number.
It is an amenable number.
149468729 is a deficient number, since it is larger than the sum of its proper divisors (1).
149468729 is an equidigital number, since it uses as much as digits as its factorization.
149468729 is an evil number, because the sum of its binary digits is even.
The product of its digits is 870912, while the sum is 50.
The square root of 149468729 is about 12225.7404274751. The cubic root of 149468729 is about 530.7012540183.
The spelling of 149468729 in words is "one hundred forty-nine million, four hundred sixty-eight thousand, seven hundred twenty-nine".
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