Base | Representation |
---|---|
bin | 1000010100001101… |
… | …0000001000100000 |
3 | 12202120022122020210 |
4 | 2011003100020200 |
5 | 14032422102430 |
6 | 1005300134120 |
7 | 106213401363 |
oct | 20503201040 |
9 | 5676278223 |
10 | 2232222240 |
11 | a46038676 |
12 | 523697340 |
13 | 297603c81 |
14 | 1726680da |
15 | d0e842b0 |
hex | 850d0220 |
2232222240 has 48 divisors (see below), whose sum is σ = 7031501568. Its totient is φ = 595259136.
The previous prime is 2232222233. The next prime is 2232222257. The reversal of 2232222240 is 422222322.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-3 number, since 3×22322222403 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324752 + ... + 2325711.
It is an arithmetic number, because the mean of its divisors is an integer number (146489616).
Almost surely, 22232222240 is an apocalyptic number.
2232222240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2232222240 is an abundant number, since it is smaller than the sum of its proper divisors (4799279328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2232222240 is a wasteful number, since it uses less digits than its factorization.
2232222240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4650481 (or 4650473 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 21.
The square root of 2232222240 is about 47246.3992278777. The cubic root of 2232222240 is about 1306.9103888474.
Adding to 2232222240 its reverse (422222322), we get a palindrome (2654444562).
The spelling of 2232222240 in words is "two billion, two hundred thirty-two million, two hundred twenty-two thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •