Base | Representation |
---|---|
bin | 1011111111101… |
… | …1001001111001 |
3 | 10111200002211001 |
4 | 2333323021321 |
5 | 100334434201 |
6 | 4554205001 |
7 | 1150433431 |
oct | 277731171 |
9 | 114602731 |
10 | 50311801 |
11 | 26444001 |
12 | 14a23761 |
13 | a5672c7 |
14 | 69792c1 |
15 | 463c301 |
hex | 2ffb279 |
50311801 has 2 divisors, whose sum is σ = 50311802. Its totient is φ = 50311800.
The previous prime is 50311799. The next prime is 50311813. The reversal of 50311801 is 10811305.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 33698025 + 16613776 = 5805^2 + 4076^2 .
It is a cyclic number.
It is not a de Polignac number, because 50311801 - 21 = 50311799 is a prime.
Together with 50311799, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (50311301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25155900 + 25155901.
It is an arithmetic number, because the mean of its divisors is an integer number (25155901).
Almost surely, 250311801 is an apocalyptic number.
It is an amenable number.
50311801 is a deficient number, since it is larger than the sum of its proper divisors (1).
50311801 is an equidigital number, since it uses as much as digits as its factorization.
50311801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120, while the sum is 19.
The square root of 50311801 is about 7093.0812063588. The cubic root of 50311801 is about 369.1673533327.
The spelling of 50311801 in words is "fifty million, three hundred eleven thousand, eight hundred one".
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