Base | Representation |
---|---|
bin | 10001110001000… |
… | …11011011110010 |
3 | 101101110011110112 |
4 | 20320203123302 |
5 | 301123333210 |
6 | 22442301322 |
7 | 3456562331 |
oct | 1070433362 |
9 | 341404415 |
10 | 149042930 |
11 | 77149183 |
12 | 41ab7842 |
13 | 24b553aa |
14 | 15b19d18 |
15 | d140d05 |
hex | 8e236f2 |
149042930 has 16 divisors (see below), whose sum is σ = 268904664. Its totient is φ = 59477760.
The previous prime is 149042917. The next prime is 149042953. The reversal of 149042930 is 39240941.
It is a happy number.
149042930 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 4 ways, for example, as 129709321 + 19333609 = 11389^2 + 4397^2 .
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12881 + ... + 21540.
Almost surely, 2149042930 is an apocalyptic number.
149042930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149042930 is a deficient number, since it is larger than the sum of its proper divisors (119861734).
149042930 is a wasteful number, since it uses less digits than its factorization.
149042930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34861.
The product of its (nonzero) digits is 7776, while the sum is 32.
The square root of 149042930 is about 12208.3139704056. The cubic root of 149042930 is about 530.1968297054.
The spelling of 149042930 in words is "one hundred forty-nine million, forty-two thousand, nine hundred thirty".
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