Base | Representation |
---|---|
bin | 1010101101000… |
… | …10001101111101 |
3 | 20020221222101200 |
4 | 11112202031331 |
5 | 140441342110 |
6 | 12524330113 |
7 | 2140142232 |
oct | 526421575 |
9 | 206858350 |
10 | 89793405 |
11 | 46760129 |
12 | 260a3939 |
13 | 157abbc0 |
14 | bcd5789 |
15 | 7d3a6c0 |
hex | 55a237d |
89793405 has 48 divisors (see below), whose sum is σ = 177493680. Its totient is φ = 41601024.
The previous prime is 89793397. The next prime is 89793421. The reversal of 89793405 is 50439798.
It can be written as a sum of positive squares in 8 ways, for example, as 5631129 + 84162276 = 2373^2 + 9174^2 .
It is not a de Polignac number, because 89793405 - 23 = 89793397 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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5431 + ... + 14459.
It is an arithmetic number, because the mean of its divisors is an integer number (3697785).
Almost surely, 289793405 is an apocalyptic number.
89793405 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
89793405 is a deficient number, since it is larger than the sum of its proper divisors (87700275).
89793405 is a wasteful number, since it uses less digits than its factorization.
89793405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9070 (or 9067 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 89793405 is about 9475.9382121244. The cubic root of 89793405 is about 447.7973097901.
The spelling of 89793405 in words is "eighty-nine million, seven hundred ninety-three thousand, four hundred five".
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