Base | Representation |
---|---|
bin | 111100111010101… |
… | …101011000101010 |
3 | 2122020010011021111 |
4 | 330322231120222 |
5 | 4043114220320 |
6 | 245225300534 |
7 | 34220024335 |
oct | 7472553052 |
9 | 2566104244 |
10 | 1022023210 |
11 | 4849a618a |
12 | 24633474a |
13 | 13397b480 |
14 | 99a4161c |
15 | 5ead1a5a |
hex | 3cead62a |
1022023210 has 16 divisors (see below), whose sum is σ = 1981152936. Its totient is φ = 377362368.
The previous prime is 1022023207. The next prime is 1022023231. The reversal of 1022023210 is 123202201.
It can be written as a sum of positive squares in 4 ways, for example, as 262083721 + 759939489 = 16189^2 + 27567^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930729 + ... + 3930988.
Almost surely, 21022023210 is an apocalyptic number.
1022023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1022023210 is a deficient number, since it is larger than the sum of its proper divisors (959129726).
1022023210 is a wasteful number, since it uses less digits than its factorization.
1022023210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7861737.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1022023210 is about 31969.0977351567. The cubic root of 1022023210 is about 1007.2878285305.
Adding to 1022023210 its reverse (123202201), we get a palindrome (1145225411).
The spelling of 1022023210 in words is "one billion, twenty-two million, twenty-three thousand, two hundred ten".
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