Base | Representation |
---|---|
bin | 111100111111101… |
… | …010100100110101 |
3 | 2122022120011110102 |
4 | 330333222210311 |
5 | 4043432304141 |
6 | 245313203445 |
7 | 34234045202 |
oct | 7477524465 |
9 | 2568504412 |
10 | 1023322421 |
11 | 485703310 |
12 | 246860585 |
13 | 134014934 |
14 | 99c9cca9 |
15 | 5ec8b99b |
hex | 3cfea935 |
1023322421 has 8 divisors (see below), whose sum is σ = 1116764064. Its totient is φ = 929949520.
The previous prime is 1023322409. The next prime is 1023322451. The reversal of 1023322421 is 1242233201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1023322421 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1023322393 and 1023322402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1023322451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16895 + ... + 48291.
It is an arithmetic number, because the mean of its divisors is an integer number (139595508).
Almost surely, 21023322421 is an apocalyptic number.
1023322421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1023322421 is a deficient number, since it is larger than the sum of its proper divisors (93441643).
1023322421 is a wasteful number, since it uses less digits than its factorization.
1023322421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34371.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1023322421 is about 31989.4110761671. The cubic root of 1023322421 is about 1007.7144741839.
Adding to 1023322421 its reverse (1242233201), we get a palindrome (2265555622).
The spelling of 1023322421 in words is "one billion, twenty-three million, three hundred twenty-two thousand, four hundred twenty-one".
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