Base | Representation |
---|---|
bin | 1000010100000000… |
… | …1101010010001100 |
3 | 12202111211002110112 |
4 | 2011000031102030 |
5 | 14032221033030 |
6 | 1005231055152 |
7 | 106203535511 |
oct | 20500152214 |
9 | 5674732415 |
10 | 2231424140 |
11 | a45642a90 |
12 | 5233714b8 |
13 | 2973b491a |
14 | 1724db308 |
15 | d0d77a95 |
hex | 8500d48c |
2231424140 has 48 divisors (see below), whose sum is σ = 5288280480. Its totient is φ = 783444480.
The previous prime is 2231424137. The next prime is 2231424161. The reversal of 2231424140 is 414241322.
It is a super-3 number, since 3×22314241403 (a number of 29 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168497 + ... + 181256.
It is an arithmetic number, because the mean of its divisors is an integer number (110172510).
Almost surely, 22231424140 is an apocalyptic number.
2231424140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2231424140 is an abundant number, since it is smaller than the sum of its proper divisors (3056856340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231424140 is a wasteful number, since it uses less digits than its factorization.
2231424140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349802 (or 349800 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 2231424140 is about 47237.9523264927. The cubic root of 2231424140 is about 1306.7546144064.
Adding to 2231424140 its reverse (414241322), we get a palindrome (2645665462).
The spelling of 2231424140 in words is "two billion, two hundred thirty-one million, four hundred twenty-four thousand, one hundred forty".
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