Base | Representation |
---|---|
bin | 1001000101111101… |
… | …0011001001101111 |
3 | 20022002222122000022 |
4 | 2101133103021233 |
5 | 14444332314411 |
6 | 1042112552355 |
7 | 114326214056 |
oct | 22137231157 |
9 | 6262878008 |
10 | 2440901231 |
11 | 104290924a |
12 | 5815526bb |
13 | 2cb909772 |
14 | 19226939d |
15 | e4454edb |
hex | 917d326f |
2440901231 has 4 divisors (see below), whose sum is σ = 2441110464. Its totient is φ = 2440692000.
The previous prime is 2440901207. The next prime is 2440901311. The reversal of 2440901231 is 1321090442.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2440901231 - 226 = 2373792367 is a prime.
It is a super-2 number, since 2×24409012312 = 11915997638994630722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2440901231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2440901731) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86015 + ... + 110816.
It is an arithmetic number, because the mean of its divisors is an integer number (610277616).
Almost surely, 22440901231 is an apocalyptic number.
2440901231 is a deficient number, since it is larger than the sum of its proper divisors (209233).
2440901231 is a wasteful number, since it uses less digits than its factorization.
2440901231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209232.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 2440901231 is about 49405.4777428576. The cubic root of 2440901231 is about 1346.4288296020.
Adding to 2440901231 its reverse (1321090442), we get a palindrome (3761991673).
The spelling of 2440901231 in words is "two billion, four hundred forty million, nine hundred one thousand, two hundred thirty-one".
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