Base | Representation |
---|---|
bin | 111101100000110… |
… | …110101111101101 |
3 | 2122220221012102212 |
4 | 331200312233231 |
5 | 4103144214041 |
6 | 250223500205 |
7 | 34401023321 |
oct | 7540665755 |
9 | 2586835385 |
10 | 1032023021 |
11 | 48a606197 |
12 | 249757665 |
13 | 135a6cc13 |
14 | 9b0c5981 |
15 | 609098eb |
hex | 3d836bed |
1032023021 has 8 divisors (see below), whose sum is σ = 1039743000. Its totient is φ = 1024313920.
The previous prime is 1032023017. The next prime is 1032023033. The reversal of 1032023021 is 1203202301.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 1032015625 = 86^2 + 32125^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1032023021 - 22 = 1032023017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1032022987 and 1032023005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1032023051) 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, 353315 + ... + 356223.
It is an arithmetic number, because the mean of its divisors is an integer number (129967875).
Almost surely, 21032023021 is an apocalyptic number.
It is an amenable number.
1032023021 is a deficient number, since it is larger than the sum of its proper divisors (7719979).
1032023021 is a wasteful number, since it uses less digits than its factorization.
1032023021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5439.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 1032023021 is about 32125.1151126342. The cubic root of 1032023021 is about 1010.5623835924.
Adding to 1032023021 its reverse (1203202301), we get a palindrome (2235225322).
The spelling of 1032023021 in words is "one billion, thirty-two million, twenty-three thousand, twenty-one".
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