Base | Representation |
---|---|
bin | 10010001111010010111000 |
3 | 22222220121222 |
4 | 102033102320 |
5 | 2210444430 |
6 | 250251212 |
7 | 55432322 |
oct | 22172270 |
9 | 8886558 |
10 | 4781240 |
11 | 2776242 |
12 | 1726b08 |
13 | cb5349 |
14 | 8c6612 |
15 | 6469e5 |
hex | 48f4b8 |
4781240 has 32 divisors (see below), whose sum is σ = 11227680. Its totient is φ = 1828992.
The previous prime is 4781237. The next prime is 4781243. The reversal of 4781240 is 421874.
It is an interprime number because it is at equal distance from previous prime (4781237) and next prime (4781243).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4781243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1679 + ... + 3518.
It is an arithmetic number, because the mean of its divisors is an integer number (350865).
Almost surely, 24781240 is an apocalyptic number.
4781240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4781240 is an abundant number, since it is smaller than the sum of its proper divisors (6446440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4781240 is a wasteful number, since it uses less digits than its factorization.
4781240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5231 (or 5227 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 26.
The square root of 4781240 is about 2186.6046739180. The cubic root of 4781240 is about 168.4664850706.
The spelling of 4781240 in words is "four million, seven hundred eighty-one thousand, two hundred forty".
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