Base | Representation |
---|---|
bin | 1100001010000… |
… | …1101001010001 |
3 | 10112221202021020 |
4 | 3002201221101 |
5 | 101023244440 |
6 | 5020550053 |
7 | 1156303545 |
oct | 302415121 |
9 | 115852236 |
10 | 50993745 |
11 | 2686a3a0 |
12 | 150b2329 |
13 | a74581a |
14 | 6ab5a25 |
15 | 47243d0 |
hex | 30a1a51 |
50993745 has 32 divisors (see below), whose sum is σ = 92085120. Its totient is φ = 23869440.
The previous prime is 50993741. The next prime is 50993771. The reversal of 50993745 is 54739905.
It is not a de Polignac number, because 50993745 - 22 = 50993741 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 50993697 and 50993706.
It is not an unprimeable number, because it can be changed into a prime (50993741) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544 + ... + 10113.
It is an arithmetic number, because the mean of its divisors is an integer number (2877660).
Almost surely, 250993745 is an apocalyptic number.
50993745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
50993745 is a deficient number, since it is larger than the sum of its proper divisors (41091375).
50993745 is a wasteful number, since it uses less digits than its factorization.
50993745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10705.
The product of its (nonzero) digits is 170100, while the sum is 42.
The square root of 50993745 is about 7140.9904775178. The cubic root of 50993745 is about 370.8278153733.
The spelling of 50993745 in words is "fifty million, nine hundred ninety-three thousand, seven hundred forty-five".
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