Base | Representation |
---|---|
bin | 100110001100… |
… | …0110110101110 |
3 | 1101200100210102 |
4 | 1030120312232 |
5 | 20111243000 |
6 | 1553111102 |
7 | 332131124 |
oct | 114306656 |
9 | 41610712 |
10 | 20024750 |
11 | 10337989 |
12 | 6858492 |
13 | 41c1785 |
14 | 2933914 |
15 | 1b583d5 |
hex | 1318dae |
20024750 has 32 divisors (see below), whose sum is σ = 37784448. Its totient is φ = 7946400.
The previous prime is 20024749. The next prime is 20024813. The reversal of 20024750 is 5742002.
It is a super-2 number, since 2×200247502 = 801981225125000, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 43019 + ... + 43481.
It is an arithmetic number, because the mean of its divisors is an integer number (1180764).
Almost surely, 220024750 is an apocalyptic number.
20024750 is a deficient number, since it is larger than the sum of its proper divisors (17759698).
20024750 is a wasteful number, since it uses less digits than its factorization.
20024750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 653 (or 643 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 20.
The square root of 20024750 is about 4474.9022335689. The cubic root of 20024750 is about 271.5536852304.
Adding to 20024750 its reverse (5742002), we get a palindrome (25766752).
The spelling of 20024750 in words is "twenty million, twenty-four thousand, seven hundred fifty".
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