Base | Representation |
---|---|
bin | 1010011000010… |
… | …10000111001100 |
3 | 20001211210000101 |
4 | 11030022013030 |
5 | 134242320403 |
6 | 12350140444 |
7 | 2105052544 |
oct | 514120714 |
9 | 201753011 |
10 | 87073228 |
11 | 45172450 |
12 | 251b1724 |
13 | 15068a28 |
14 | b7c8324 |
15 | 799e71d |
hex | 530a1cc |
87073228 has 24 divisors (see below), whose sum is σ = 166662720. Its totient is φ = 39475920.
The previous prime is 87073199. The next prime is 87073229. The reversal of 87073228 is 82237078.
It is not an unprimeable number, because it can be changed into a prime (87073229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16075 + ... + 20797.
It is an arithmetic number, because the mean of its divisors is an integer number (6944280).
Almost surely, 287073228 is an apocalyptic number.
It is an amenable number.
87073228 is a deficient number, since it is larger than the sum of its proper divisors (79589492).
87073228 is a wasteful number, since it uses less digits than its factorization.
87073228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5157 (or 5155 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 37.
The square root of 87073228 is about 9331.3036602610. The cubic root of 87073228 is about 443.2290479013.
It can be divided in two parts, 8707 and 3228, that added together give a triangular number (11935 = T154).
The spelling of 87073228 in words is "eighty-seven million, seventy-three thousand, two hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •