Base | Representation |
---|---|
bin | 10001010101101… |
… | …110001110010110 |
3 | 202021101121102110 |
4 | 101111232032112 |
5 | 1043433011110 |
6 | 44511051450 |
7 | 10131445311 |
oct | 2125561626 |
9 | 667347373 |
10 | 290907030 |
11 | 13a233837 |
12 | 81510b86 |
13 | 4836604b |
14 | 2a8c7978 |
15 | 1a814a20 |
hex | 1156e396 |
290907030 has 16 divisors (see below), whose sum is σ = 698176944. Its totient is φ = 77575200.
The previous prime is 290906989. The next prime is 290907047. The reversal of 290907030 is 30709092.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 9696901 = 290907030 / (2 + 9 + 0 + 9 + 0 + 7 + 0 + 3 + 0).
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848421 + ... + 4848480.
It is an arithmetic number, because the mean of its divisors is an integer number (43636059).
Almost surely, 2290907030 is an apocalyptic number.
290907030 is an abundant number, since it is smaller than the sum of its proper divisors (407269914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290907030 is a wasteful number, since it uses less digits than its factorization.
290907030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9696911.
The product of its (nonzero) digits is 3402, while the sum is 30.
The square root of 290907030 is about 17055.9968925888. The cubic root of 290907030 is about 662.5999602343.
The spelling of 290907030 in words is "two hundred ninety million, nine hundred seven thousand, thirty".
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