Base | Representation |
---|---|
bin | 1011011101110… |
… | …0110001000100 |
3 | 10100111020022210 |
4 | 2313130301010 |
5 | 44302341210 |
6 | 4434423420 |
7 | 1122521415 |
oct | 267346104 |
9 | 110436283 |
10 | 48090180 |
11 | 25166956 |
12 | 14131b70 |
13 | 9c6a038 |
14 | 655b80c |
15 | 434de20 |
hex | 2ddcc44 |
48090180 has 24 divisors (see below), whose sum is σ = 134652672. Its totient is φ = 12824032.
The previous prime is 48090169. The next prime is 48090181. The reversal of 48090180 is 8109084.
It is a happy number.
48090180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-4 number, since 4×480901804 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (48090181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400692 + ... + 400811.
It is an arithmetic number, because the mean of its divisors is an integer number (5610528).
Almost surely, 248090180 is an apocalyptic number.
It is an amenable number.
48090180 is an abundant number, since it is smaller than the sum of its proper divisors (86562492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48090180 is a wasteful number, since it uses less digits than its factorization.
48090180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 801515 (or 801513 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 48090180 is about 6934.7083572419. The cubic root of 48090180 is about 363.6515705383.
The spelling of 48090180 in words is "forty-eight million, ninety thousand, one hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •