Base | Representation |
---|---|
bin | 1011111000111… |
… | …11100000111101 |
3 | 20221200111210000 |
4 | 11330133200331 |
5 | 201013300210 |
6 | 13521504513 |
7 | 2320544160 |
oct | 574374075 |
9 | 227614700 |
10 | 99743805 |
11 | 51336aa7 |
12 | 294a2139 |
13 | 17884005 |
14 | d365ad7 |
15 | 8b53ac0 |
hex | 5f1f83d |
99743805 has 80 divisors (see below), whose sum is σ = 206578944. Its totient is φ = 45100800.
The previous prime is 99743797. The next prime is 99743821. The reversal of 99743805 is 50834799.
It is not a de Polignac number, because 99743805 - 23 = 99743797 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
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 79 ways as a sum of consecutive naturals, for example, 427969 + ... + 428201.
Almost surely, 299743805 is an apocalyptic number.
It is an amenable number.
99743805 is an abundant number, since it is smaller than the sum of its proper divisors (106835139).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99743805 is a wasteful number, since it uses less digits than its factorization.
99743805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 408 (or 399 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 99743805 is about 9987.1820349886. The cubic root of 99743805 is about 463.7621604230.
The spelling of 99743805 in words is "ninety-nine million, seven hundred forty-three thousand, eight hundred five".
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