Base | Representation |
---|---|
bin | 1010100010011100… |
… | …0101000111000110 |
3 | 21022010220210012000 |
4 | 2220213011013012 |
5 | 21243134114323 |
6 | 1144411210130 |
7 | 130046355261 |
oct | 25047050706 |
9 | 7263823160 |
10 | 2828816838 |
11 | 122187aa61 |
12 | 66b446946 |
13 | 3610a9823 |
14 | 1cb9a5cd8 |
15 | 11852ce43 |
hex | a89c51c6 |
2828816838 has 16 divisors (see below), whose sum is σ = 6286259760. Its totient is φ = 942938928.
The previous prime is 2828816827. The next prime is 2828816857. The reversal of 2828816838 is 8386188282.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 52385497 = 2828816838 / (2 + 8 + 2 + 8 + 8 + 1 + 6 + 8 + 3 + 8).
It is a congruent number.
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, 26192695 + ... + 26192802.
It is an arithmetic number, because the mean of its divisors is an integer number (392891235).
Almost surely, 22828816838 is an apocalyptic number.
2828816838 is an abundant number, since it is smaller than the sum of its proper divisors (3457442922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2828816838 is a wasteful number, since it uses less digits than its factorization.
2828816838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52385508 (or 52385502 counting only the distinct ones).
The product of its digits is 2359296, while the sum is 54.
The square root of 2828816838 is about 53186.6227354210. The cubic root of 2828816838 is about 1414.2785115992.
The spelling of 2828816838 in words is "two billion, eight hundred twenty-eight million, eight hundred sixteen thousand, eight hundred thirty-eight".
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