Base | Representation |
---|---|
bin | 10001110110110… |
… | …11000000111001 |
3 | 101102212100221021 |
4 | 20323123000321 |
5 | 301321413443 |
6 | 22510342441 |
7 | 3466143514 |
oct | 1073330071 |
9 | 342770837 |
10 | 149794873 |
11 | 77612118 |
12 | 421baa21 |
13 | 25059727 |
14 | 15c73d7b |
15 | d23d9ed |
hex | 8edb039 |
149794873 has 4 divisors (see below), whose sum is σ = 149909760. Its totient is φ = 149679988.
The previous prime is 149794867. The next prime is 149794891. The reversal of 149794873 is 378497941.
149794873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 a cyclic number.
It is not a de Polignac number, because 149794873 - 221 = 147697721 is a prime.
It is a super-2 number, since 2×1497948732 = 44877007954172258, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 149794873.
It is not an unprimeable number, because it can be changed into a prime (149794373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55465 + ... + 58102.
It is an arithmetic number, because the mean of its divisors is an integer number (37477440).
Almost surely, 2149794873 is an apocalyptic number.
It is an amenable number.
149794873 is a deficient number, since it is larger than the sum of its proper divisors (114887).
149794873 is a wasteful number, since it uses less digits than its factorization.
149794873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114886.
The product of its digits is 1524096, while the sum is 52.
The square root of 149794873 is about 12239.0715742658. The cubic root of 149794873 is about 531.0869741431.
The spelling of 149794873 in words is "one hundred forty-nine million, seven hundred ninety-four thousand, eight hundred seventy-three".
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