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142324223 = 1916831091
BaseRepresentation
bin10000111101110…
…11000111111111
3100220210211010112
420132323013333
5242413333343
622042300235
73345510266
oct1036730777
9326724115
10142324223
117337a328
123b7b767b
1323642222
1414c8b5dd
15c765218
hex87bb1ff

142324223 has 8 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 141242200.

The previous prime is 142324211. The next prime is 142324241. The reversal of 142324223 is 322423241.

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

It is a cyclic number.

It is not a de Polignac number, because 142324223 - 210 = 142323199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142324723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129908 + ... + 130998.

It is an arithmetic number, because the mean of its divisors is an integer number (17926272).

Almost surely, 2142324223 is an apocalyptic number.

142324223 is a deficient number, since it is larger than the sum of its proper divisors (1085953).

142324223 is a wasteful number, since it uses less digits than its factorization.

142324223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its digits is 2304, while the sum is 23.

The square root of 142324223 is about 11929.9716261188. The cubic root of 142324223 is about 522.1071096931.

Adding to 142324223 its reverse (322423241), we get a palindrome (464747464).

The spelling of 142324223 in words is "one hundred forty-two million, three hundred twenty-four thousand, two hundred twenty-three".

Divisors: 1 191 683 1091 130453 208381 745153 142324223