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224142 = 2337357
BaseRepresentation
bin110110101110001110
3102101110120
4312232032
524133032
64445410
71622322
oct665616
9371416
10224142
11143446
12a9866
137b039
145b982
154662c
hex36b8e

224142 has 8 divisors (see below), whose sum is σ = 448296. Its totient is φ = 74712.

The previous prime is 224131. The next prime is 224149. The reversal of 224142 is 241422.

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

224142 is an admirable number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18673 + ... + 18684.

It is an arithmetic number, because the mean of its divisors is an integer number (56037).

2224142 is an apocalyptic number.

224142 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.

224142 is a wasteful number, since it uses less digits than its factorization.

224142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37362.

The product of its digits is 128, while the sum is 15.

The square root of 224142 is about 473.4363737610. The cubic root of 224142 is about 60.7446099301.

Adding to 224142 its reverse (241422), we get a palindrome (465564).

It can be divided in two parts, 2 and 24142, that multiplied together give a palindrome (48284).

The spelling of 224142 in words is "two hundred twenty-four thousand, one hundred forty-two", and thus it is an iban number.

Divisors: 1 2 3 6 37357 74714 112071 224142