Base | Representation |
---|---|
bin | 1010110011101… |
… | …10010010110100 |
3 | 20022121002222101 |
4 | 11121312102310 |
5 | 141202141233 |
6 | 12555111444 |
7 | 2150420620 |
oct | 531662264 |
9 | 208532871 |
10 | 90662068 |
11 | 471a3832 |
12 | 26442584 |
13 | 15a243c3 |
14 | c080180 |
15 | 7e5cc7d |
hex | 56764b4 |
90662068 has 24 divisors (see below), whose sum is σ = 182347200. Its totient is φ = 38635968.
The previous prime is 90662057. The next prime is 90662069. The reversal of 90662068 is 86026609.
It is a super-2 number, since 2×906620682 = 16439221148073248, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90662069) 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, 4033 + ... + 14056.
It is an arithmetic number, because the mean of its divisors is an integer number (7597800).
Almost surely, 290662068 is an apocalyptic number.
It is an amenable number.
90662068 is an abundant number, since it is smaller than the sum of its proper divisors (91685132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90662068 is a wasteful number, since it uses less digits than its factorization.
90662068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18279 (or 18277 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 90662068 is about 9521.6630900279. The cubic root of 90662068 is about 449.2366779473.
The spelling of 90662068 in words is "ninety million, six hundred sixty-two thousand, sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •