Base | Representation |
---|---|
bin | 10001110011011… |
… | …00110010011001 |
3 | 101102000102121111 |
4 | 20321230302121 |
5 | 301212442020 |
6 | 22452540321 |
7 | 3462253312 |
oct | 1071546231 |
9 | 342012544 |
10 | 149343385 |
11 | 77333994 |
12 | 420216a1 |
13 | 24c2c089 |
14 | 15b97609 |
15 | d19ed5a |
hex | 8e6cc99 |
149343385 has 16 divisors (see below), whose sum is σ = 190119312. Its totient is φ = 112230400.
The previous prime is 149343377. The next prime is 149343409. The reversal of 149343385 is 583343941.
It is a happy number.
149343385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 6230016 + 143113369 = 2496^2 + 11963^2 .
It is not a de Polignac number, because 149343385 - 23 = 149343377 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53115 + ... + 55855.
It is an arithmetic number, because the mean of its divisors is an integer number (11882457).
Almost surely, 2149343385 is an apocalyptic number.
It is an amenable number.
149343385 is a deficient number, since it is larger than the sum of its proper divisors (40775927).
149343385 is a wasteful number, since it uses less digits than its factorization.
149343385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3404.
The product of its digits is 155520, while the sum is 40.
The square root of 149343385 is about 12220.6131188251. The cubic root of 149343385 is about 530.5528644038.
The spelling of 149343385 in words is "one hundred forty-nine million, three hundred forty-three thousand, three hundred eighty-five".
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