Base | Representation |
---|---|
bin | 10001110111101… |
… | …11010110010101 |
3 | 101110002021010210 |
4 | 20323313112111 |
5 | 301334122213 |
6 | 22513040033 |
7 | 3500136054 |
oct | 1073672625 |
9 | 343067123 |
10 | 149910933 |
11 | 77691337 |
12 | 42256019 |
13 | 2509a4c3 |
14 | 15ca439b |
15 | d2630c3 |
hex | 8ef7595 |
149910933 has 4 divisors (see below), whose sum is σ = 199881248. Its totient is φ = 99940620.
The previous prime is 149910923. The next prime is 149910973. The reversal of 149910933 is 339019941.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 149910933 - 26 = 149910869 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 149910891 and 149910900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149910923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24985153 + ... + 24985158.
It is an arithmetic number, because the mean of its divisors is an integer number (49970312).
Almost surely, 2149910933 is an apocalyptic number.
It is an amenable number.
149910933 is a deficient number, since it is larger than the sum of its proper divisors (49970315).
149910933 is an equidigital number, since it uses as much as digits as its factorization.
149910933 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49970314.
The product of its (nonzero) digits is 26244, while the sum is 39.
The square root of 149910933 is about 12243.8120289394. The cubic root of 149910933 is about 531.2240995354.
The spelling of 149910933 in words is "one hundred forty-nine million, nine hundred ten thousand, nine hundred thirty-three".
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