Base | Representation |
---|---|
bin | 1011111011101… |
… | …1011110111001 |
3 | 10111011212001210 |
4 | 2332323132321 |
5 | 100303113001 |
6 | 4544433333 |
7 | 1145266200 |
oct | 276733671 |
9 | 114155053 |
10 | 50051001 |
11 | 26286070 |
12 | 14918849 |
13 | a4a56a0 |
14 | 690c237 |
15 | 45d9dd6 |
hex | 2fbb7b9 |
50051001 has 48 divisors (see below), whose sum is σ = 91240128. Its totient is φ = 23990400.
The previous prime is 50050999. The next prime is 50051017. The reversal of 50051001 is 10015005.
It is not a de Polignac number, because 50051001 - 21 = 50050999 is a prime.
It is a super-2 number, since 2×500510012 = 5010205402204002, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50051021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19831 + ... + 22211.
It is an arithmetic number, because the mean of its divisors is an integer number (1900836).
Almost surely, 250051001 is an apocalyptic number.
It is an amenable number.
50051001 is a deficient number, since it is larger than the sum of its proper divisors (41189127).
50051001 is a wasteful number, since it uses less digits than its factorization.
50051001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2422 (or 2415 counting only the distinct ones).
The product of its (nonzero) digits is 25, while the sum is 12.
The square root of 50051001 is about 7074.6732080005. The cubic root of 50051001 is about 368.5283668261.
Adding to 50051001 its reverse (10015005), we get a palindrome (60066006).
It can be divided in two parts, 5005 and 1001, that added together give a palindrome (6006).
The spelling of 50051001 in words is "fifty million, fifty-one thousand, one".
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