Base | Representation |
---|---|
bin | 1011111010101… |
… | …01011010101110 |
3 | 20222002201122020 |
4 | 11331111122232 |
5 | 201042331330 |
6 | 13530331010 |
7 | 2322453645 |
oct | 575253256 |
9 | 228081566 |
10 | 99964590 |
11 | 51477970 |
12 | 29589a66 |
13 | 1793065b |
14 | d3c235c |
15 | 8b99210 |
hex | 5f556ae |
99964590 has 128 divisors (see below), whose sum is σ = 281428992. Its totient is φ = 22456320.
The previous prime is 99964589. The next prime is 99964597. The reversal of 99964590 is 9546999.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99964597) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 577744 + ... + 577916.
It is an arithmetic number, because the mean of its divisors is an integer number (2198664).
Almost surely, 299964590 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 99964590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140714496).
99964590 is an abundant number, since it is smaller than the sum of its proper divisors (181464402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99964590 is a wasteful number, since it uses less digits than its factorization.
99964590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314.
The product of its (nonzero) digits is 787320, while the sum is 51.
The square root of 99964590 is about 9998.2293432387. The cubic root of 99964590 is about 464.1040906732.
The spelling of 99964590 in words is "ninety-nine million, nine hundred sixty-four thousand, five hundred ninety".
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