Base | Representation |
---|---|
bin | 100010010011… |
… | …101111001100 |
3 | 121220221002111 |
4 | 202103233030 |
5 | 4300244430 |
6 | 520433404 |
7 | 136305550 |
oct | 42235714 |
9 | 17827074 |
10 | 8993740 |
11 | 5093148 |
12 | 3018864 |
13 | 1b2b852 |
14 | 12a1860 |
15 | bc9c2a |
hex | 893bcc |
8993740 has 48 divisors (see below), whose sum is σ = 21756672. Its totient is φ = 3059136.
The previous prime is 8993737. The next prime is 8993749. The reversal of 8993740 is 473998.
8993740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 8993693 and 8993702.
It is not an unprimeable number, because it can be changed into a prime (8993749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31639 + ... + 31921.
It is an arithmetic number, because the mean of its divisors is an integer number (453264).
Almost surely, 28993740 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8993740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10878336).
8993740 is an abundant number, since it is smaller than the sum of its proper divisors (12762932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8993740 is a wasteful number, since it uses less digits than its factorization.
8993740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526 (or 524 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 8993740 is about 2998.9564851795. The cubic root of 8993740 is about 207.9601439907.
The spelling of 8993740 in words is "eight million, nine hundred ninety-three thousand, seven hundred forty".
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