Base | Representation |
---|---|
bin | 10000000111111… |
… | …10111011111101 |
3 | 100102112000111211 |
4 | 20003332323331 |
5 | 234111340244 |
6 | 21231044421 |
7 | 3231464464 |
oct | 1003767375 |
9 | 312460454 |
10 | 135261949 |
11 | 6a396339 |
12 | 39370711 |
13 | 2203b874 |
14 | 13d6d9db |
15 | bd1c934 |
hex | 80feefd |
135261949 has 4 divisors (see below), whose sum is σ = 137479420. Its totient is φ = 133044480.
The previous prime is 135261901. The next prime is 135261967. The reversal of 135261949 is 949162531.
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 59397849 + 75864100 = 7707^2 + 8710^2 .
It is a cyclic number.
It is not a de Polignac number, because 135261949 - 27 = 135261821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (135261349) 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, 1108644 + ... + 1108765.
It is an arithmetic number, because the mean of its divisors is an integer number (34369855).
Almost surely, 2135261949 is an apocalyptic number.
It is an amenable number.
135261949 is a deficient number, since it is larger than the sum of its proper divisors (2217471).
135261949 is an equidigital number, since it uses as much as digits as its factorization.
135261949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2217470.
The product of its digits is 58320, while the sum is 40.
The square root of 135261949 is about 11630.2170659021. The cubic root of 135261949 is about 513.3243670310.
The spelling of 135261949 in words is "one hundred thirty-five million, two hundred sixty-one thousand, nine hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •