| Base | Representation |
|---|---|
| bin | 1000100010101110… |
| … | …1001010011111100 |
| 3 | 12220210221201112002 |
| 4 | 2020223221103330 |
| 5 | 14144021032110 |
| 6 | 1015314001432 |
| 7 | 110553251315 |
| oct | 21053512374 |
| 9 | 5823851462 |
| 10 | 2293142780 |
| 11 | a77468125 |
| 12 | 53bb76278 |
| 13 | 2a7113c26 |
| 14 | 17a7a560c |
| 15 | d64b9aa5 |
| hex | 88ae94fc |
2293142780 has 48 divisors (see below), whose sum is σ = 5058849600. Its totient is φ = 871461888.
The previous prime is 2293142779. The next prime is 2293142783. The reversal of 2293142780 is 872413922.
2293142780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×22931427802 = 10517007618932256800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2293142783) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51812 + ... + 85268.
It is an arithmetic number, because the mean of its divisors is an integer number (105392700).
Almost surely, 22293142780 is an apocalyptic number.
2293142780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2293142780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2529424800).
2293142780 is an abundant number, since it is smaller than the sum of its proper divisors (2765706820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2293142780 is a wasteful number, since it uses less digits than its factorization.
2293142780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33638 (or 33636 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 2293142780 is about 47886.7704068671. The cubic root of 2293142780 is about 1318.6929938596.
It can be divided in two parts, 2293142 and 780, that added together give a palindrome (2293922).
The spelling of 2293142780 in words is "two billion, two hundred ninety-three million, one hundred forty-two thousand, seven hundred eighty".
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