Base | Representation |
---|---|
bin | 1100001011110… |
… | …0000001000000 |
3 | 10120011020102210 |
4 | 3002330001000 |
5 | 101040224020 |
6 | 5023142120 |
7 | 1160233503 |
oct | 302740100 |
9 | 116136383 |
10 | 51101760 |
11 | 26933566 |
12 | 15144940 |
13 | a782a38 |
14 | 6b0313a |
15 | 47463e0 |
hex | 30bc040 |
51101760 has 56 divisors (see below), whose sum is σ = 162251136. Its totient is φ = 13626880.
The previous prime is 51101749. The next prime is 51101767. The reversal of 51101760 is 6710115.
It is a super-2 number, since 2×511017602 = 5222779750195200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51101767) 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, 25656 + ... + 27575.
Almost surely, 251101760 is an apocalyptic number.
It is an amenable number.
51101760 is an abundant number, since it is smaller than the sum of its proper divisors (111149376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51101760 is a wasteful number, since it uses less digits than its factorization.
51101760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53251 (or 53241 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 21.
The square root of 51101760 is about 7148.5495032209. The cubic root of 51101760 is about 371.0894600006.
Adding to 51101760 its reverse (6710115), we get a palindrome (57811875).
The spelling of 51101760 in words is "fifty-one million, one hundred one thousand, seven hundred sixty".
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