Base | Representation |
---|---|
bin | 10001110001101… |
… | …01000101000111 |
3 | 101101120211121110 |
4 | 20320311011013 |
5 | 301133141312 |
6 | 22444020103 |
7 | 3460313133 |
oct | 1070650507 |
9 | 341524543 |
10 | 149115207 |
11 | 7719850a |
12 | 41b31633 |
13 | 24b7c267 |
14 | 15b383c3 |
15 | d15743c |
hex | 8e35147 |
149115207 has 8 divisors (see below), whose sum is σ = 199653120. Its totient is φ = 98993720.
The previous prime is 149115203. The next prime is 149115209. The reversal of 149115207 is 702511941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 149115207 - 22 = 149115203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149115203) 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 in 7 ways as a sum of consecutive naturals, for example, 103269 + ... + 104702.
It is an arithmetic number, because the mean of its divisors is an integer number (24956640).
Almost surely, 2149115207 is an apocalyptic number.
149115207 is a deficient number, since it is larger than the sum of its proper divisors (50537913).
149115207 is a wasteful number, since it uses less digits than its factorization.
149115207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208213.
The product of its (nonzero) digits is 2520, while the sum is 30.
The square root of 149115207 is about 12211.2737664832. The cubic root of 149115207 is about 530.2825205495.
The spelling of 149115207 in words is "one hundred forty-nine million, one hundred fifteen thousand, two hundred seven".
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