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50247 = 331861
BaseRepresentation
bin1100010001000111
32112221000
430101013
53101442
61024343
7266331
oct142107
975830
1050247
113482a
12250b3
1319b42
1414451
15ed4c
hexc447

50247 has 8 divisors (see below), whose sum is σ = 74480. Its totient is φ = 33480.

The previous prime is 50231. The next prime is 50261. The reversal of 50247 is 74205.

It is a happy number.

It is not a de Polignac number, because 50247 - 24 = 50231 is a prime.

It is a super-2 number, since 2×502472 = 5049522018, which contains 22 as substring.

It is a Duffinian number.

50247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (9310).

250247 is an apocalyptic number.

50247 is a deficient number, since it is larger than the sum of its proper divisors (24233).

50247 is a wasteful number, since it uses less digits than its factorization.

50247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 50247 is about 224.1584261187. The cubic root of 50247 is about 36.9008790854.

The spelling of 50247 in words is "fifty thousand, two hundred forty-seven".

Divisors: 1 3 9 27 1861 5583 16749 50247