Base | Representation |
---|---|
bin | 10001110010011… |
… | …11011000010010 |
3 | 101101210022101012 |
4 | 20321033120102 |
5 | 301200113210 |
6 | 22450210522 |
7 | 3461242163 |
oct | 1071173022 |
9 | 341708335 |
10 | 149222930 |
11 | 7726143a |
12 | 41b83a42 |
13 | 24bb92bc |
14 | 15b6576a |
15 | d179305 |
hex | 8e4f612 |
149222930 has 8 divisors (see below), whose sum is σ = 268601292. Its totient is φ = 59689168.
The previous prime is 149222929. The next prime is 149222959. The reversal of 149222930 is 39222941.
It can be written as a sum of positive squares in 2 ways, for example, as 139027681 + 10195249 = 11791^2 + 3193^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 7461137 + ... + 7461156.
Almost surely, 2149222930 is an apocalyptic number.
149222930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149222930 is a deficient number, since it is larger than the sum of its proper divisors (119378362).
149222930 is a wasteful number, since it uses less digits than its factorization.
149222930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14922300.
The product of its (nonzero) digits is 7776, while the sum is 32.
The square root of 149222930 is about 12215.6837712835. The cubic root of 149222930 is about 530.4101844209.
The spelling of 149222930 in words is "one hundred forty-nine million, two hundred twenty-two thousand, nine hundred thirty".
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