Base | Representation |
---|---|
bin | 1010110000001111… |
… | …0010000000100100 |
3 | 21110011210011010100 |
4 | 2230003302000210 |
5 | 21402442004140 |
6 | 1154235224100 |
7 | 131351211402 |
oct | 25403620044 |
9 | 7404704110 |
10 | 2886672420 |
11 | 12514a6795 |
12 | 6868a8030 |
13 | 3700856b8 |
14 | 1d5546472 |
15 | 11d65a530 |
hex | ac0f2024 |
2886672420 has 72 divisors (see below), whose sum is σ = 9271322424. Its totient is φ = 724497408.
The previous prime is 2886672419. The next prime is 2886672443. The reversal of 2886672420 is 242766882.
It can be written as a sum of positive squares in 4 ways, for example, as 1364268096 + 1522404324 = 36936^2 + 39018^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
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 23 ways as a sum of consecutive naturals, for example, 468619 + ... + 474738.
It is an arithmetic number, because the mean of its divisors is an integer number (128768367).
Almost surely, 22886672420 is an apocalyptic number.
2886672420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2886672420 is an abundant number, since it is smaller than the sum of its proper divisors (6384650004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2886672420 is a wasteful number, since it uses less digits than its factorization.
2886672420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 943389 (or 943384 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 45.
The square root of 2886672420 is about 53727.7620974483. The cubic root of 2886672420 is about 1423.8552283334.
The spelling of 2886672420 in words is "two billion, eight hundred eighty-six million, six hundred seventy-two thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •