Base | Representation |
---|---|
bin | 10001110001110… |
… | …10010101011010 |
3 | 101101121221010121 |
4 | 20320322111122 |
5 | 301134333410 |
6 | 22444303454 |
7 | 3460432651 |
oct | 1070722532 |
9 | 341557117 |
10 | 149136730 |
11 | 772026a6 |
12 | 41b41b8a |
13 | 24b88cb2 |
14 | 15b42198 |
15 | d15d9da |
hex | 8e3a55a |
149136730 has 16 divisors (see below), whose sum is σ = 269632800. Its totient is φ = 59390992.
The previous prime is 149136709. The next prime is 149136731. The reversal of 149136730 is 37631941.
149136730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (149136731) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30580 + ... + 35119.
It is an arithmetic number, because the mean of its divisors is an integer number (16852050).
Almost surely, 2149136730 is an apocalyptic number.
149136730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149136730 is a deficient number, since it is larger than the sum of its proper divisors (120496070).
149136730 is a wasteful number, since it uses less digits than its factorization.
149136730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65933.
The product of its (nonzero) digits is 13608, while the sum is 34.
The square root of 149136730 is about 12212.1550104803. The cubic root of 149136730 is about 530.3080326392.
The spelling of 149136730 in words is "one hundred forty-nine million, one hundred thirty-six thousand, seven hundred thirty".
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