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142330224 = 2438933317
BaseRepresentation
bin10000111101111…
…00100101110000
3100220211010100210
420132330211300
5242414031344
622042344120
73345533631
oct1036744560
9326733323
10142330224
1173383893
123b7bb040
1323644b8a
1414c8d888
15c766db9
hex87bc970

142330224 has 40 divisors (see below), whose sum is σ = 371828880. Its totient is φ = 46908928.

The previous prime is 142330219. The next prime is 142330249. The reversal of 142330224 is 422033241.

142330224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142330224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12387 + ... + 20930.

It is an arithmetic number, because the mean of its divisors is an integer number (9295722).

Almost surely, 2142330224 is an apocalyptic number.

It is an amenable number.

142330224 is an abundant number, since it is smaller than the sum of its proper divisors (229498656).

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

142330224 is a wasteful number, since it uses less digits than its factorization.

142330224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33417 (or 33411 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 142330224 is about 11930.2231328672. The cubic root of 142330224 is about 522.1144476821.

Adding to 142330224 its reverse (422033241), we get a palindrome (564363465).

The spelling of 142330224 in words is "one hundred forty-two million, three hundred thirty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 89 178 267 356 534 712 1068 1424 2136 4272 33317 66634 99951 133268 199902 266536 399804 533072 799608 1599216 2965213 5930426 8895639 11860852 17791278 23721704 35582556 47443408 71165112 142330224