Base | Representation |
---|---|
bin | 1000010100000000… |
… | …1000101100101000 |
3 | 12202111210010200200 |
4 | 2011000020230220 |
5 | 14032214432402 |
6 | 1005230432200 |
7 | 106203426651 |
oct | 20500105450 |
9 | 5674703620 |
10 | 2231405352 |
11 | a4562a960 |
12 | 523362660 |
13 | 2973a91c7 |
14 | 1724d4528 |
15 | d0d7221c |
hex | 85008b28 |
2231405352 has 96 divisors (see below), whose sum is σ = 6879487680. Its totient is φ = 646778880.
The previous prime is 2231405333. The next prime is 2231405357. The reversal of 2231405352 is 2535041322.
It is a happy number.
2231405352 is a `hidden beast` number, since 223 + 1 + 405 + 35 + 2 = 666.
It is a super-3 number, since 3×22314053523 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2231405357) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43033 + ... + 79464.
It is an arithmetic number, because the mean of its divisors is an integer number (71661330).
Almost surely, 22231405352 is an apocalyptic number.
2231405352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2231405352 is an abundant number, since it is smaller than the sum of its proper divisors (4648082328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231405352 is a wasteful number, since it uses less digits than its factorization.
2231405352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122543 (or 122536 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 2231405352 is about 47237.7534605531. The cubic root of 2231405352 is about 1306.7509468869.
Adding to 2231405352 its reverse (2535041322), we get a palindrome (4766446674).
The spelling of 2231405352 in words is "two billion, two hundred thirty-one million, four hundred five thousand, three hundred fifty-two".
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