Base | Representation |
---|---|
bin | 100110001000… |
… | …100101110100 |
3 | 200210212211200 |
4 | 212020211310 |
5 | 10024343120 |
6 | 554132500 |
7 | 150653532 |
oct | 46104564 |
9 | 20725750 |
10 | 9996660 |
11 | 5708703 |
12 | 3421130 |
13 | 20c01ab |
14 | 1483152 |
15 | d26e90 |
hex | 988974 |
9996660 has 144 divisors (see below), whose sum is σ = 33196800. Its totient is φ = 2426112.
The previous prime is 9996659. The next prime is 9996667. The reversal of 9996660 is 666999.
It is a super-2 number, since 2×99966602 = 199866422311200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a nialpdrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9996667) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126501 + ... + 126579.
Almost surely, 29996660 is an apocalyptic number.
9996660 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9996660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16598400).
9996660 is an abundant number, since it is smaller than the sum of its proper divisors (23200140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9996660 is a wasteful number, since it uses less digits than its factorization.
9996660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150 (or 145 counting only the distinct ones).
The product of its (nonzero) digits is 157464, while the sum is 45.
The square root of 9996660 is about 3161.7495156954. The cubic root of 9996660 is about 215.4194802927.
The spelling of 9996660 in words is "nine million, nine hundred ninety-six thousand, six hundred sixty".
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