Base | Representation |
---|---|
bin | 10001110100010… |
… | …11101101011101 |
3 | 101102020212100121 |
4 | 20322023231131 |
5 | 301231020140 |
6 | 22455354541 |
7 | 3463321504 |
oct | 1072135535 |
9 | 342225317 |
10 | 149470045 |
11 | 7741006a |
12 | 42082a51 |
13 | 24c7491a |
14 | 15bcb83b |
15 | d1c764a |
hex | 8e8bb5d |
149470045 has 4 divisors (see below), whose sum is σ = 179364060. Its totient is φ = 119576032.
The previous prime is 149470043. The next prime is 149470049. The reversal of 149470045 is 540074941.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 38862756 + 110607289 = 6234^2 + 10517^2 .
It is a cyclic number.
It is not a de Polignac number, because 149470045 - 21 = 149470043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149470043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14947000 + ... + 14947009.
It is an arithmetic number, because the mean of its divisors is an integer number (44841015).
Almost surely, 2149470045 is an apocalyptic number.
It is an amenable number.
149470045 is a deficient number, since it is larger than the sum of its proper divisors (29894015).
149470045 is an equidigital number, since it uses as much as digits as its factorization.
149470045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29894014.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 149470045 is about 12225.7942482278. The cubic root of 149470045 is about 530.7028115365.
The spelling of 149470045 in words is "one hundred forty-nine million, four hundred seventy thousand, forty-five".
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