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223332142 = 21153191537
BaseRepresentation
bin11010100111111…
…00011100101110
3120120020110002211
431103330130232
5424133112032
634054441034
75351202055
oct1523743456
9516213084
10223332142
11105079820
126296317a
13373662c7
142193739c
1514917747
hexd4fc72e

223332142 has 16 divisors (see below), whose sum is σ = 372349872. Its totient is φ = 99598720.

The previous prime is 223332097. The next prime is 223332149. The reversal of 223332142 is 241233322.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223332149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94603 + ... + 96934.

It is an arithmetic number, because the mean of its divisors is an integer number (23271867).

Almost surely, 2223332142 is an apocalyptic number.

223332142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223332142 is a deficient number, since it is larger than the sum of its proper divisors (149017730).

223332142 is a wasteful number, since it uses less digits than its factorization.

223332142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191603.

The product of its digits is 1728, while the sum is 22.

The square root of 223332142 is about 14944.3013219086. The cubic root of 223332142 is about 606.7136190499.

Adding to 223332142 its reverse (241233322), we get a palindrome (464565464).

The spelling of 223332142 in words is "two hundred twenty-three million, three hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 11 22 53 106 583 1166 191537 383074 2106907 4213814 10151461 20302922 111666071 223332142