Base | Representation |
---|---|
bin | 1011010000011… |
… | …0000000101100 |
3 | 10021211112200112 |
4 | 2310012000230 |
5 | 44041214130 |
6 | 4403515152 |
7 | 1112166026 |
oct | 264060054 |
9 | 107745615 |
10 | 47210540 |
11 | 24715a83 |
12 | 13988ab8 |
13 | 9a1c840 |
14 | 63ad016 |
15 | 4228495 |
hex | 2d0602c |
47210540 has 48 divisors (see below), whose sum is σ = 107829792. Its totient is φ = 17258496.
The previous prime is 47210539. The next prime is 47210543. The reversal of 47210540 is 4501274.
It is not an unprimeable number, because it can be changed into a prime (47210543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26972 + ... + 28668.
It is an arithmetic number, because the mean of its divisors is an integer number (2246454).
Almost surely, 247210540 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47210540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53914896).
47210540 is an abundant number, since it is smaller than the sum of its proper divisors (60619252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47210540 is a wasteful number, since it uses less digits than its factorization.
47210540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1826 (or 1824 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 23.
The square root of 47210540 is about 6870.9926502653. The cubic root of 47210540 is about 361.4206722179.
The spelling of 47210540 in words is "forty-seven million, two hundred ten thousand, five hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •