Base | Representation |
---|---|
bin | 1010101010111011100000 |
3 | 12021010010222 |
4 | 22222323200 |
5 | 1204003110 |
6 | 135542212 |
7 | 32530223 |
oct | 12527340 |
9 | 5233128 |
10 | 2797280 |
11 | 1640702 |
12 | b2a968 |
13 | 76c2c5 |
14 | 52b5ba |
15 | 3a3c55 |
hex | 2aaee0 |
2797280 has 24 divisors (see below), whose sum is σ = 6608952. Its totient is φ = 1118848.
The previous prime is 2797273. The next prime is 2797303. The reversal of 2797280 is 827972.
2797280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 2797280.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 8582 + ... + 8901.
It is an arithmetic number, because the mean of its divisors is an integer number (275373).
22797280 is an apocalyptic number.
2797280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2797280 is an abundant number, since it is smaller than the sum of its proper divisors (3811672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2797280 is a wasteful number, since it uses less digits than its factorization.
2797280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17498 (or 17490 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 35.
The square root of 2797280 is about 1672.5071001344. The cubic root of 2797280 is about 140.9003202058.
It can be divided in two parts, 279 and 7280, that multiplied together give a triangular number (2031120 = T2015).
The spelling of 2797280 in words is "two million, seven hundred ninety-seven thousand, two hundred eighty".
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