Base | Representation |
---|---|
bin | 11111001110010011010 |
3 | 1220222110201 |
4 | 3321302122 |
5 | 230220010 |
6 | 33532414 |
7 | 11460613 |
oct | 3716232 |
9 | 1828421 |
10 | 1023130 |
11 | 639769 |
12 | 41410a |
13 | 29a904 |
14 | 1c8c0a |
15 | 15323a |
hex | f9c9a |
1023130 has 16 divisors (see below), whose sum is σ = 1861704. Its totient is φ = 404800.
The previous prime is 1023107. The next prime is 1023133. The reversal of 1023130 is 313201.
It can be written as a sum of positive squares in 4 ways, for example, as 751689 + 271441 = 867^2 + 521^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (1023133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 1516.
21023130 is an apocalyptic number.
1023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1023130 is a deficient number, since it is larger than the sum of its proper divisors (838574).
1023130 is a wasteful number, since it uses less digits than its factorization.
1023130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1121.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 1023130 is about 1011.4988877898. The cubic root of 1023130 is about 100.7651308174.
Adding to 1023130 its reverse (313201), we get a palindrome (1336331).
The spelling of 1023130 in words is "one million, twenty-three thousand, one hundred thirty".
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