Base | Representation |
---|---|
bin | 1111111100100011… |
… | …0110001000111110 |
3 | 102001022112101110000 |
4 | 3333020312020332 |
5 | 32231302241430 |
6 | 1544430055130 |
7 | 211034504022 |
oct | 37710661076 |
9 | 12038471400 |
10 | 4280508990 |
11 | 18a726583a |
12 | 9b564a4a6 |
13 | 532a86974 |
14 | 2c86d2382 |
15 | 1a0bd3e60 |
hex | ff23623e |
4280508990 has 40 divisors (see below), whose sum is σ = 11509815240. Its totient is φ = 1141468848.
The previous prime is 4280508983. The next prime is 4280508997. The reversal of 4280508990 is 998050824.
It is an interprime number because it is at equal distance from previous prime (4280508983) and next prime (4280508997).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4280508997) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2641480 + ... + 2643099.
It is an arithmetic number, because the mean of its divisors is an integer number (287745381).
Almost surely, 24280508990 is an apocalyptic number.
4280508990 is an abundant number, since it is smaller than the sum of its proper divisors (7229306250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4280508990 is a wasteful number, since it uses less digits than its factorization.
4280508990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5284598 (or 5284589 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 45.
The square root of 4280508990 is about 65425.5988891198. The cubic root of 4280508990 is about 1623.6726347087.
The spelling of 4280508990 in words is "four billion, two hundred eighty million, five hundred eight thousand, nine hundred ninety".
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