Base | Representation |
---|---|
bin | 1000111100100011… |
… | …0001000100011111 |
3 | 20012100201210102101 |
4 | 2033020301010133 |
5 | 14404232040111 |
6 | 1034143105531 |
7 | 113336621614 |
oct | 21710610437 |
9 | 6170653371 |
10 | 2401440031 |
11 | 1022606491 |
12 | 5702a22a7 |
13 | 2c36a1243 |
14 | 18ad1650b |
15 | e0c5cbc1 |
hex | 8f23111f |
2401440031 has 4 divisors (see below), whose sum is σ = 2405879464. Its totient is φ = 2397000600.
The previous prime is 2401440011. The next prime is 2401440053. The reversal of 2401440031 is 1300441042.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300441042 = 2 ⋅650220521.
It is a cyclic number.
It is not a de Polignac number, because 2401440031 - 225 = 2367885599 is a prime.
It is a super-2 number, since 2×24014400312 = 11533828444978561922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2401439990 and 2401440008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2401440011) 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, 2218905 + ... + 2219986.
It is an arithmetic number, because the mean of its divisors is an integer number (601469866).
Almost surely, 22401440031 is an apocalyptic number.
2401440031 is a deficient number, since it is larger than the sum of its proper divisors (4439433).
2401440031 is an equidigital number, since it uses as much as digits as its factorization.
2401440031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4439432.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 2401440031 is about 49004.4899065382. The cubic root of 2401440031 is about 1339.1336255698.
Adding to 2401440031 its reverse (1300441042), we get a palindrome (3701881073).
The spelling of 2401440031 in words is "two billion, four hundred one million, four hundred forty thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.035 sec. • engine limits •