Base | Representation |
---|---|
bin | 1100001001110… |
… | …1000001111000 |
3 | 10112220210100001 |
4 | 3002131001320 |
5 | 101022143330 |
6 | 5020322344 |
7 | 1156164460 |
oct | 302350170 |
9 | 115823301 |
10 | 50974840 |
11 | 26857174 |
12 | 150a33b4 |
13 | a73a037 |
14 | 6aacba0 |
15 | 471d9ca |
hex | 309d078 |
50974840 has 64 divisors (see below), whose sum is σ = 138801600. Its totient is φ = 16447488.
The previous prime is 50974813. The next prime is 50974841. The reversal of 50974840 is 4847905.
It is a self number, because there is not a number n which added to its sum of digits gives 50974840.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50974841) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 595 + ... + 10114.
It is an arithmetic number, because the mean of its divisors is an integer number (2168775).
Almost surely, 250974840 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50974840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69400800).
50974840 is an abundant number, since it is smaller than the sum of its proper divisors (87826760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50974840 is a wasteful number, since it uses less digits than its factorization.
50974840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10744 (or 10740 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 50974840 is about 7139.6666588854. Note that the first 4 decimals coincide. The cubic root of 50974840 is about 370.7819838282.
The spelling of 50974840 in words is "fifty million, nine hundred seventy-four thousand, eight hundred forty".
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