Base | Representation |
---|---|
bin | 11111000101001… |
… | …00011101101010 |
3 | 200011120222021110 |
4 | 33202210131222 |
5 | 1013221023430 |
6 | 41512051150 |
7 | 6314042022 |
oct | 1742443552 |
9 | 604528243 |
10 | 260720490 |
11 | 124196188 |
12 | 73393ab6 |
13 | 420271a4 |
14 | 268aaa82 |
15 | 17d507b0 |
hex | f8a476a |
260720490 has 16 divisors (see below), whose sum is σ = 625729248. Its totient is φ = 69525456.
The previous prime is 260720441. The next prime is 260720507. The reversal of 260720490 is 94027062.
It is a happy number.
260720490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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: 8690683 = 260720490 / (2 + 6 + 0 + 7 + 2 + 0 + 4 + 9 + 0).
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, 4345312 + ... + 4345371.
It is an arithmetic number, because the mean of its divisors is an integer number (39108078).
Almost surely, 2260720490 is an apocalyptic number.
260720490 is an abundant number, since it is smaller than the sum of its proper divisors (365008758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
260720490 is a wasteful number, since it uses less digits than its factorization.
260720490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8690693.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 260720490 is about 16146.8414868048. The cubic root of 260720490 is about 638.8394413428.
The spelling of 260720490 in words is "two hundred sixty million, seven hundred twenty thousand, four hundred ninety".
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