Base | Representation |
---|---|
bin | 100110011000… |
… | …1110000111000 |
3 | 1101212112202011 |
4 | 1030301300320 |
5 | 20123024101 |
6 | 1555215304 |
7 | 333034435 |
oct | 114616070 |
9 | 41775664 |
10 | 20126776 |
11 | 103a75aa |
12 | 68a7534 |
13 | 4229047 |
14 | 295cb8c |
15 | 1b78751 |
hex | 1331c38 |
20126776 has 32 divisors (see below), whose sum is σ = 42066000. Its totient is φ = 8971776.
The previous prime is 20126761. The next prime is 20126801. The reversal of 20126776 is 67762102.
It is a super-2 number, since 2×201267762 = 810174224308352, 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 (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311 + ... + 6478.
Almost surely, 220126776 is an apocalyptic number.
It is an amenable number.
20126776 is an abundant number, since it is smaller than the sum of its proper divisors (21939224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20126776 is a wasteful number, since it uses less digits than its factorization.
20126776 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7831 (or 7827 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 20126776 is about 4486.2875520858. The cubic root of 20126776 is about 272.0140924071.
Adding to 20126776 its reverse (67762102), we get a palindrome (87888878).
It can be divided in two parts, 20126 and 776, that added together give a palindrome (20902).
The spelling of 20126776 in words is "twenty million, one hundred twenty-six thousand, seven hundred seventy-six".
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