Base | Representation |
---|---|
bin | 111100110100100… |
… | …110100010111010 |
3 | 2122010002211021122 |
4 | 330310212202322 |
5 | 4042212003310 |
6 | 245131105242 |
7 | 34200306134 |
oct | 7464464272 |
9 | 2563084248 |
10 | 1020422330 |
11 | 484002444 |
12 | 2458a2222 |
13 | 13353a8c5 |
14 | 99746054 |
15 | 5e8b7555 |
hex | 3cd268ba |
1020422330 has 16 divisors (see below), whose sum is σ = 1837575720. Its totient is φ = 407987712.
The previous prime is 1020422327. The next prime is 1020422363. The reversal of 1020422330 is 332240201.
It can be written as a sum of positive squares in 4 ways, for example, as 395572321 + 624850009 = 19889^2 + 24997^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1020422299 and 1020422308.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 45234.
Almost surely, 21020422330 is an apocalyptic number.
1020422330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1020422330 is a deficient number, since it is larger than the sum of its proper divisors (817153390).
1020422330 is a wasteful number, since it uses less digits than its factorization.
1020422330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45313.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 1020422330 is about 31944.0499936999. The cubic root of 1020422330 is about 1006.7616207719.
Adding to 1020422330 its reverse (332240201), we get a palindrome (1352662531).
The spelling of 1020422330 in words is "one billion, twenty million, four hundred twenty-two thousand, three hundred thirty".
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