Base | Representation |
---|---|
bin | 100001011101… |
… | …110010000100 |
3 | 121111200221022 |
4 | 201131302010 |
5 | 4221211430 |
6 | 512010312 |
7 | 134365334 |
oct | 41356204 |
9 | 17450838 |
10 | 8772740 |
11 | 4a520a9 |
12 | 2b30998 |
13 | 1a82092 |
14 | 12450c4 |
15 | b844e5 |
hex | 85dc84 |
8772740 has 12 divisors (see below), whose sum is σ = 18422796. Its totient is φ = 3509088.
The previous prime is 8772739. The next prime is 8772749. The reversal of 8772740 is 472778.
It can be written as a sum of positive squares in 2 ways, for example, as 6270016 + 2502724 = 2504^2 + 1582^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 8772740.
It is not an unprimeable number, because it can be changed into a prime (8772749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219299 + ... + 219338.
It is an arithmetic number, because the mean of its divisors is an integer number (1535233).
Almost surely, 28772740 is an apocalyptic number.
It is an amenable number.
8772740 is an abundant number, since it is smaller than the sum of its proper divisors (9650056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8772740 is a wasteful number, since it uses less digits than its factorization.
8772740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438646 (or 438644 counting only the distinct ones).
The product of its (nonzero) digits is 21952, while the sum is 35.
The square root of 8772740 is about 2961.8811589934. The cubic root of 8772740 is about 206.2426211012.
It can be divided in two parts, 87 and 72740, that added together give a palindrome (72827).
The spelling of 8772740 in words is "eight million, seven hundred seventy-two thousand, seven hundred forty".
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