Base | Representation |
---|---|
bin | 1000010101110001… |
… | …1000101000110000 |
3 | 12210000201100212210 |
4 | 2011130120220300 |
5 | 14041113420142 |
6 | 1010053252120 |
7 | 106323401550 |
oct | 20534305060 |
9 | 5700640783 |
10 | 2238810672 |
11 | a4982865a |
12 | 525934040 |
13 | 298a9ca57 |
14 | 1734a1160 |
15 | d183649c |
hex | 85718a30 |
2238810672 has 80 divisors (see below), whose sum is σ = 6837776640. Its totient is φ = 617600256.
The previous prime is 2238810667. The next prime is 2238810677. The reversal of 2238810672 is 2760188322.
It is an interprime number because it is at equal distance from previous prime (2238810667) and next prime (2238810677).
It is a super-2 number, since 2×22388106722 = 10024546450122183168, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2238810672.
It is not an unprimeable number, because it can be changed into a prime (2238810677) 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, 105138 + ... + 124625.
It is an arithmetic number, because the mean of its divisors is an integer number (85472208).
Almost surely, 22238810672 is an apocalyptic number.
It is an amenable number.
2238810672 is an abundant number, since it is smaller than the sum of its proper divisors (4598965968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2238810672 is a wasteful number, since it uses less digits than its factorization.
2238810672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229810 (or 229804 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 39.
The square root of 2238810672 is about 47316.0720263210. The cubic root of 2238810672 is about 1308.1949133917.
Adding to 2238810672 its reverse (2760188322), we get a palindrome (4998998994).
The spelling of 2238810672 in words is "two billion, two hundred thirty-eight million, eight hundred ten thousand, six hundred seventy-two".
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