Base | Representation |
---|---|
bin | 1000010101101100… |
… | …1010011110010000 |
3 | 12210000010002201000 |
4 | 2011123022132100 |
5 | 14041023144022 |
6 | 1010042342000 |
7 | 106320566256 |
oct | 20533123620 |
9 | 5700102630 |
10 | 2238490512 |
11 | a4962a065 |
12 | 5257ba900 |
13 | 2989ba0cb |
14 | 17341a5d6 |
15 | d17c16ac |
hex | 856ca790 |
2238490512 has 160 divisors (see below), whose sum is σ = 6687964800. Its totient is φ = 715986432.
The previous prime is 2238490511. The next prime is 2238490519. The reversal of 2238490512 is 2150948322.
It is a happy number.
2238490512 is a `hidden beast` number, since 22 + 38 + 4 + 90 + 512 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2238490511) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2467563 + ... + 2468469.
It is an arithmetic number, because the mean of its divisors is an integer number (41799780).
Almost surely, 22238490512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2238490512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3343982400).
2238490512 is an abundant number, since it is smaller than the sum of its proper divisors (4449474288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2238490512 is a wasteful number, since it uses less digits than its factorization.
2238490512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1150 (or 1138 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 2238490512 is about 47312.6886997558. The cubic root of 2238490512 is about 1308.1325511659.
It can be divided in two parts, 22384 and 90512, that added together give a square (112896 = 3362).
The spelling of 2238490512 in words is "two billion, two hundred thirty-eight million, four hundred ninety thousand, five hundred twelve".
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