Base | Representation |
---|---|
bin | 11111001000110… |
… | …01101110000100 |
3 | 200012111101002200 |
4 | 33210121232010 |
5 | 1013331411042 |
6 | 41530234500 |
7 | 6321112200 |
oct | 1744315604 |
9 | 605441080 |
10 | 261200772 |
11 | 124494008 |
12 | 73585a30 |
13 | 42164991 |
14 | 26993b00 |
15 | 17de7c4c |
hex | f919b84 |
261200772 has 54 divisors (see below), whose sum is σ = 768059838. Its totient is φ = 74628288.
The previous prime is 261200759. The next prime is 261200783. The reversal of 261200772 is 277002162.
261200772 is digitally balanced in base 2, 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 only one way, i.e., 166255236 + 94945536 = 12894^2 + 9744^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72273 + ... + 75800.
Almost surely, 2261200772 is an apocalyptic number.
It is an amenable number.
261200772 is an abundant number, since it is smaller than the sum of its proper divisors (506859066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
261200772 is a wasteful number, since it uses less digits than its factorization.
261200772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148097 (or 148085 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 261200772 is about 16161.7069643030. The cubic root of 261200772 is about 639.2314766014.
The spelling of 261200772 in words is "two hundred sixty-one million, two hundred thousand, seven hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.109 sec. • engine limits •