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223242 = 23291283
BaseRepresentation
bin110110100000001010
3102100020020
4312200022
524120432
64441310
71616565
oct664012
9370206
10223242
111427a8
12a9236
137a7c6
145b4dc
154622c
hex3680a

223242 has 16 divisors (see below), whose sum is σ = 462240. Its totient is φ = 71792.

The previous prime is 223241. The next prime is 223243. The reversal of 223242 is 242322.

It is an interprime number because it is at equal distance from previous prime (223241) and next prime (223243).

It is a super-3 number, since 3×2232423 = 33377128342465464, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223241) 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, 468 + ... + 815.

It is an arithmetic number, because the mean of its divisors is an integer number (28890).

2223242 is an apocalyptic number.

223242 is an abundant number, since it is smaller than the sum of its proper divisors (238998).

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

223242 is a wasteful number, since it uses less digits than its factorization.

223242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its digits is 192, while the sum is 15.

The square root of 223242 is about 472.4849203943. The cubic root of 223242 is about 60.6631980198.

Adding to 223242 its reverse (242322), we get a palindrome (465564).

It can be divided in two parts, 223 and 242, that added together give a triangular number (465 = T30).

The spelling of 223242 in words is "two hundred twenty-three thousand, two hundred forty-two", and thus it is an iban number.

Divisors: 1 2 3 6 29 58 87 174 1283 2566 3849 7698 37207 74414 111621 223242