Base | Representation |
---|---|
bin | 11110111001100001010 |
3 | 1220102212122 |
4 | 3313030022 |
5 | 224344430 |
6 | 33411242 |
7 | 11414603 |
oct | 3671412 |
9 | 1812778 |
10 | 1012490 |
11 | 631776 |
12 | 409b22 |
13 | 295b0b |
14 | 1c4daa |
15 | 14eee5 |
hex | f730a |
1012490 has 16 divisors (see below), whose sum is σ = 1842048. Its totient is φ = 400656.
The previous prime is 1012489. The next prime is 1012507. The reversal of 1012490 is 942101.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539 + ... + 1521.
It is an arithmetic number, because the mean of its divisors is an integer number (115128).
21012490 is an apocalyptic number.
1012490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1012490 is a deficient number, since it is larger than the sum of its proper divisors (829558).
1012490 is a wasteful number, since it uses less digits than its factorization.
1012490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1093.
The product of its (nonzero) digits is 72, while the sum is 17.
The square root of 1012490 is about 1006.2256208227. The cubic root of 1012490 is about 100.4146119271.
Adding to 1012490 its reverse (942101), we get a palindrome (1954591).
The spelling of 1012490 in words is "one million, twelve thousand, four hundred ninety".
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