| Base | Representation |
|---|---|
| bin | 1011111010111… |
| … | …01001111110100 |
| 3 | 20222011100122000 |
| 4 | 11331131033310 |
| 5 | 201044343120 |
| 6 | 13531135300 |
| 7 | 2322646311 |
| oct | 575351764 |
| 9 | 228140560 |
| 10 | 99996660 |
| 11 | 51499a75 |
| 12 | 295a4530 |
| 13 | 1794212a |
| 14 | d3cdd08 |
| 15 | 8ba3990 |
| hex | 5f5d3f4 |
99996660 has 96 divisors (see below), whose sum is σ = 312681600. Its totient is φ = 26530560.
The previous prime is 99996653. The next prime is 99996667. The reversal of 99996660 is 6669999.
It is an interprime number because it is at equal distance from previous prime (99996653) and next prime (99996667).
It is a super-2 number, since 2×999966602 = 19998664022311200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nialpdrome in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 99996597 and 99996606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99996667) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151411 + ... + 152069.
It is an arithmetic number, because the mean of its divisors is an integer number (3257100).
Almost surely, 299996660 is an apocalyptic number.
99996660 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 99996660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156340800).
99996660 is an abundant number, since it is smaller than the sum of its proper divisors (212684940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99996660 is a wasteful number, since it uses less digits than its factorization.
99996660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 958 (or 950 counting only the distinct ones).
The product of its (nonzero) digits is 1417176, while the sum is 54.
The square root of 99996660 is about 9999.8329986055. The cubic root of 99996660 is about 464.1537156682.
The spelling of 99996660 in words is "ninety-nine million, nine hundred ninety-six thousand, six hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •