Base | Representation |
---|---|
bin | 10001110110001… |
… | …00010010011010 |
3 | 101102200122020121 |
4 | 20323010102122 |
5 | 301310424121 |
6 | 22504343454 |
7 | 3465305233 |
oct | 1073042232 |
9 | 342618217 |
10 | 149701786 |
11 | 77559193 |
12 | 42174b8a |
13 | 25026250 |
14 | 15c4c08a |
15 | d221141 |
hex | 8ec449a |
149701786 has 16 divisors (see below), whose sum is σ = 246390984. Its totient is φ = 67788864.
The previous prime is 149701777. The next prime is 149701787. The reversal of 149701786 is 687107941.
149701786 is digitally balanced in base 3, 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 108805761 + 40896025 = 10431^2 + 6395^2 .
It is not an unprimeable number, because it can be changed into a prime (149701787) 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, 52941 + ... + 55696.
Almost surely, 2149701786 is an apocalyptic number.
149701786 is a deficient number, since it is larger than the sum of its proper divisors (96689198).
149701786 is a wasteful number, since it uses less digits than its factorization.
149701786 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108705.
The product of its (nonzero) digits is 84672, while the sum is 43.
The square root of 149701786 is about 12235.2681212959. The cubic root of 149701786 is about 530.9769402541.
The spelling of 149701786 in words is "one hundred forty-nine million, seven hundred one thousand, seven hundred eighty-six".
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