Base | Representation |
---|---|
bin | 10010010111000000010100 |
3 | 100001111221121 |
4 | 102113000110 |
5 | 2213002240 |
6 | 251053324 |
7 | 55623355 |
oct | 22270024 |
9 | 10044847 |
10 | 4812820 |
11 | 2797a41 |
12 | 1741244 |
13 | cc682c |
14 | 8d3d2c |
15 | 65104a |
hex | 497014 |
4812820 has 12 divisors (see below), whose sum is σ = 10106964. Its totient is φ = 1925120.
The previous prime is 4812799. The next prime is 4812827. The reversal of 4812820 is 282184.
It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 3944196 = 932^2 + 1986^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4812827) 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, 120301 + ... + 120340.
It is an arithmetic number, because the mean of its divisors is an integer number (842247).
Almost surely, 24812820 is an apocalyptic number.
It is an amenable number.
4812820 is an abundant number, since it is smaller than the sum of its proper divisors (5294144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4812820 is a wasteful number, since it uses less digits than its factorization.
4812820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240650 (or 240648 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 4812820 is about 2193.8140304046. The cubic root of 4812820 is about 168.8365774302.
The spelling of 4812820 in words is "four million, eight hundred twelve thousand, eight hundred twenty".
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