Base | Representation |
---|---|
bin | 1010011001100… |
… | …00000110001000 |
3 | 20002010200102121 |
4 | 11030300012020 |
5 | 134312310213 |
6 | 12353341024 |
7 | 2106301252 |
oct | 514600610 |
9 | 202120377 |
10 | 87228808 |
11 | 45269327 |
12 | 25267774 |
13 | 150c17a4 |
14 | b828cd2 |
15 | 79d088d |
hex | 5330188 |
87228808 has 8 divisors (see below), whose sum is σ = 163554030. Its totient is φ = 43614400.
The previous prime is 87228803. The next prime is 87228893. The reversal of 87228808 is 80882278.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 75655204 + 11573604 = 8698^2 + 3402^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (87228803) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5451793 + ... + 5451808.
Almost surely, 287228808 is an apocalyptic number.
It is an amenable number.
87228808 is a deficient number, since it is larger than the sum of its proper divisors (76325222).
87228808 is a wasteful number, since it uses less digits than its factorization.
87228808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10903607 (or 10903603 counting only the distinct ones).
The product of its (nonzero) digits is 114688, while the sum is 43.
The square root of 87228808 is about 9339.6363954921. The cubic root of 87228808 is about 443.4928739057.
The spelling of 87228808 in words is "eighty-seven million, two hundred twenty-eight thousand, eight hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.035 sec. • engine limits •