Base | Representation |
---|---|
bin | 1011111111010… |
… | …1100110111001 |
3 | 10111121221122120 |
4 | 2333311212321 |
5 | 100333222311 |
6 | 4553511453 |
7 | 1150310253 |
oct | 277654671 |
9 | 114557576 |
10 | 50289081 |
11 | 26428a27 |
12 | 14a12589 |
13 | a559b6b |
14 | 6970cd3 |
15 | 4635706 |
hex | 2ff59b9 |
50289081 has 8 divisors (see below), whose sum is σ = 67191744. Its totient is φ = 33456240.
The previous prime is 50289007. The next prime is 50289097. The reversal of 50289081 is 18098205.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50289081 - 214 = 50272697 is a prime.
It is a super-2 number, since 2×502890812 = 5057983335649122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50289581) 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, 15750 + ... + 18671.
It is an arithmetic number, because the mean of its divisors is an integer number (8398968).
Almost surely, 250289081 is an apocalyptic number.
It is an amenable number.
50289081 is a deficient number, since it is larger than the sum of its proper divisors (16902663).
50289081 is a wasteful number, since it uses less digits than its factorization.
50289081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34911.
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 50289081 is about 7091.4794648226. The cubic root of 50289081 is about 369.1117749530. Note that the first 3 decimals are identical.
The spelling of 50289081 in words is "fifty million, two hundred eighty-nine thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •