Base | Representation |
---|---|
bin | 11101000001000… |
… | …11000000100111 |
3 | 121222000122220110 |
4 | 32200203000213 |
5 | 444303204111 |
6 | 40053104103 |
7 | 6013655661 |
oct | 1640430047 |
9 | 558018813 |
10 | 243413031 |
11 | 1154448a4 |
12 | 69628033 |
13 | 3b5774a4 |
14 | 24483531 |
15 | 165825a6 |
hex | e823027 |
243413031 has 8 divisors (see below), whose sum is σ = 325968880. Its totient is φ = 161566272.
The previous prime is 243413029. The next prime is 243413033. The reversal of 243413031 is 130314342.
It is an interprime number because it is at equal distance from previous prime (243413029) and next prime (243413033).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 243413031 - 21 = 243413029 is a prime.
It is a super-2 number, since 2×2434130312 = 118499807321213922, 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 = 243412989 and 243413007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243413033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176470 + ... + 177843.
It is an arithmetic number, because the mean of its divisors is an integer number (40746110).
Almost surely, 2243413031 is an apocalyptic number.
243413031 is a deficient number, since it is larger than the sum of its proper divisors (82555849).
243413031 is a wasteful number, since it uses less digits than its factorization.
243413031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354545.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 243413031 is about 15601.6996189518. The cubic root of 243413031 is about 624.3785019758.
Adding to 243413031 its reverse (130314342), we get a palindrome (373727373).
It can be divided in two parts, 24341 and 3031, that added together give a palindrome (27372).
The spelling of 243413031 in words is "two hundred forty-three million, four hundred thirteen thousand, thirty-one".
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