Base | Representation |
---|---|
bin | 1001111000100101010000 |
3 | 11212122021001 |
4 | 21320211100 |
5 | 1130403211 |
6 | 131311344 |
7 | 31011046 |
oct | 11704520 |
9 | 4778231 |
10 | 2591056 |
11 | 150a776 |
12 | a4b554 |
13 | 6c9490 |
14 | 4b6396 |
15 | 362ac1 |
hex | 278950 |
2591056 has 20 divisors (see below), whose sum is σ = 5406772. Its totient is φ = 1195776.
The previous prime is 2591053. The next prime is 2591059. The reversal of 2591056 is 6501952.
It is an interprime number because it is at equal distance from previous prime (2591053) and next prime (2591059).
It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 1345600 = 1116^2 + 1160^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2591053) 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, 6021 + ... + 6436.
22591056 is an apocalyptic number.
2591056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
2591056 is an abundant number, since it is smaller than the sum of its proper divisors (2815716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2591056 is a wasteful number, since it uses less digits than its factorization.
2591056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12478 (or 12472 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 28.
The square root of 2591056 is about 1609.6757437447. The cubic root of 2591056 is about 137.3490309975.
The spelling of 2591056 in words is "two million, five hundred ninety-one thousand, fifty-six".
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