Base | Representation |
---|---|
bin | 1000010101101011… |
… | …1100011001001101 |
3 | 12210000000011121012 |
4 | 2011122330121031 |
5 | 14041014322340 |
6 | 1010041215005 |
7 | 106320236165 |
oct | 20532743115 |
9 | 5700004535 |
10 | 2238432845 |
11 | a4959a800 |
12 | 525791465 |
13 | 298999a9c |
14 | 1734035a5 |
15 | d17ae565 |
hex | 856bc64d |
2238432845 has 72 divisors (see below), whose sum is σ = 3211857432. Its totient is φ = 1495169280.
The previous prime is 2238432839. The next prime is 2238432877. The reversal of 2238432845 is 5482348322.
2238432845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 293711044 + 1944721801 = 17138^2 + 44099^2 .
It is not a de Polignac number, because 2238432845 - 28 = 2238432589 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8080847 + ... + 8081123.
It is an arithmetic number, because the mean of its divisors is an integer number (44609131).
Almost surely, 22238432845 is an apocalyptic number.
It is an amenable number.
2238432845 is a deficient number, since it is larger than the sum of its proper divisors (973424587).
2238432845 is a wasteful number, since it uses less digits than its factorization.
2238432845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379 (or 349 counting only the distinct ones).
The product of its digits is 368640, while the sum is 41.
The square root of 2238432845 is about 47312.0792715771. The cubic root of 2238432845 is about 1308.1213178925.
The spelling of 2238432845 in words is "two billion, two hundred thirty-eight million, four hundred thirty-two thousand, eight hundred forty-five".
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