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50217 = 319881
BaseRepresentation
bin1100010000101001
32112212220
430100221
53101332
61024253
7266256
oct142051
975786
1050217
1134802
1225089
1319b1b
141442d
15ed2c
hexc429

50217 has 8 divisors (see below), whose sum is σ = 70560. Its totient is φ = 31680.

The previous prime is 50207. The next prime is 50221. The reversal of 50217 is 71205.

50217 = T63 + T64 + ... + T81.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50217 - 26 = 50153 is a prime.

50217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 50196 and 50205.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 50217.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384 + ... + 497.

It is an arithmetic number, because the mean of its divisors is an integer number (8820).

250217 is an apocalyptic number.

50217 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

50217 is a deficient number, since it is larger than the sum of its proper divisors (20343).

50217 is a wasteful number, since it uses less digits than its factorization.

50217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 50217 is about 224.0914991694. The cubic root of 50217 is about 36.8935337264.

The spelling of 50217 in words is "fifty thousand, two hundred seventeen".

Divisors: 1 3 19 57 881 2643 16739 50217