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223250 = 2531947
BaseRepresentation
bin110110100000010010
3102100020112
4312200102
524121000
64441322
71616606
oct664022
9370215
10223250
11142805
12a9242
137a801
145b506
1546235
hex36812

223250 has 32 divisors (see below), whose sum is σ = 449280. Its totient is φ = 82800.

The previous prime is 223247. The next prime is 223253. The reversal of 223250 is 52322.

It is an interprime number because it is at equal distance from previous prime (223247) and next prime (223253).

It is a super-3 number, since 3×2232503 = 33380716734375000, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223253) 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 15 ways as a sum of consecutive naturals, for example, 4727 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (14040).

2223250 is an apocalyptic number.

223250 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223250 is a wasteful number, since it uses less digits than its factorization.

223250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 223250 is about 472.4933861971. The cubic root of 223250 is about 60.6639226442.

Adding to 223250 its reverse (52322), we get a palindrome (275572).

The spelling of 223250 in words is "two hundred twenty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 19 25 38 47 50 94 95 125 190 235 250 470 475 893 950 1175 1786 2350 2375 4465 4750 5875 8930 11750 22325 44650 111625 223250