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50056031 = 363713763
BaseRepresentation
bin1011111011110…
…0101101011111
310111012002222002
42332330231133
5100303243111
64544512515
71145316644
oct276745537
9114162862
1050056031
1126289923
121491b73b
13a4a7a6c
14690ddcb
1545db63b
hex2fbcb5f

50056031 has 4 divisors (see below), whose sum is σ = 50073432. Its totient is φ = 50038632.

The previous prime is 50055983. The next prime is 50056033. The reversal of 50056031 is 13065005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50056031 is a prime.

It is a super-3 number, since 3×500560313 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50055994 and 50056012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50056033) 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 3 ways as a sum of consecutive naturals, for example, 3245 + ... + 10518.

It is an arithmetic number, because the mean of its divisors is an integer number (12518358).

Almost surely, 250056031 is an apocalyptic number.

50056031 is a deficient number, since it is larger than the sum of its proper divisors (17401).

50056031 is a wasteful number, since it uses less digits than its factorization.

50056031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17400.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 50056031 is about 7075.0286925213. The cubic root of 50056031 is about 368.5407118045.

The spelling of 50056031 in words is "fifty million, fifty-six thousand, thirty-one".

Divisors: 1 3637 13763 50056031