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143230222 = 2167428833
BaseRepresentation
bin10001000100110…
…00010100001110
3100222111211221001
420202120110032
5243131331342
622113530514
73356302552
oct1042302416
9328454831
10143230222
1173938a93
123bb73a3a
132389b715
1415045862
15c8938b7
hex889850e

143230222 has 8 divisors (see below), whose sum is σ = 216132336. Its totient is φ = 71186112.

The previous prime is 143230207. The next prime is 143230237. The reversal of 143230222 is 222032341.

It is an interprime number because it is at equal distance from previous prime (143230207) and next prime (143230237).

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

It is a self number, because there is not a number n which added to its sum of digits gives 143230222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214083 + ... + 214750.

It is an arithmetic number, because the mean of its divisors is an integer number (27016542).

Almost surely, 2143230222 is an apocalyptic number.

143230222 is a deficient number, since it is larger than the sum of its proper divisors (72902114).

143230222 is a wasteful number, since it uses less digits than its factorization.

143230222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429002.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 143230222 is about 11967.8829372617. The cubic root of 143230222 is about 523.2126332142.

Adding to 143230222 its reverse (222032341), we get a palindrome (365262563).

The spelling of 143230222 in words is "one hundred forty-three million, two hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 167 334 428833 857666 71615111 143230222