Base | Representation |
---|---|
bin | 101111101001… |
… | …011100110000 |
3 | 212111120210202 |
4 | 233221130300 |
5 | 11144144134 |
6 | 1123414332 |
7 | 211111403 |
oct | 57513460 |
9 | 25446722 |
10 | 12490544 |
11 | 7061370 |
12 | 42243a8 |
13 | 2784371 |
14 | 1931d3a |
15 | 116ad7e |
hex | be9730 |
12490544 has 20 divisors (see below), whose sum is σ = 26400840. Its totient is φ = 5677440.
The previous prime is 12490537. The next prime is 12490547. The reversal of 12490544 is 44509421.
It is not an unprimeable number, because it can be changed into a prime (12490547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35309 + ... + 35660.
It is an arithmetic number, because the mean of its divisors is an integer number (1320042).
Almost surely, 212490544 is an apocalyptic number.
It is an amenable number.
12490544 is an abundant number, since it is smaller than the sum of its proper divisors (13910296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12490544 is a wasteful number, since it uses less digits than its factorization.
12490544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70988 (or 70982 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 12490544 is about 3534.1963725860. The cubic root of 12490544 is about 232.0209057657.
Adding to 12490544 its reverse (44509421), we get a palindrome (56999965).
The spelling of 12490544 in words is "twelve million, four hundred ninety thousand, five hundred forty-four".
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