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143031112 = 23723111049
BaseRepresentation
bin10001000011001…
…11101101001000
3100222010201210121
420201213231020
5243103443422
622105353024
73354513220
oct1041475510
9328121717
10143031112
1173812434
123ba98774
132382bbc3
1414dd3080
15c8548c7
hex8867b48

143031112 has 32 divisors (see below), whose sum is σ = 319824000. Its totient is φ = 58633344.

The previous prime is 143031071. The next prime is 143031113. The reversal of 143031112 is 211130341.

143031112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143031113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54237 + ... + 56812.

It is an arithmetic number, because the mean of its divisors is an integer number (9994500).

Almost surely, 2143031112 is an apocalyptic number.

It is an amenable number.

143031112 is an abundant number, since it is smaller than the sum of its proper divisors (176792888).

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

143031112 is a wasteful number, since it uses less digits than its factorization.

143031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111085 (or 111081 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 143031112 is about 11959.5615304241. The cubic root of 143031112 is about 522.9700745868.

Adding to 143031112 its reverse (211130341), we get a palindrome (354161453).

The spelling of 143031112 in words is "one hundred forty-three million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 111049 222098 444196 777343 888392 1554686 2554127 3109372 5108254 6218744 10216508 17878889 20433016 35757778 71515556 143031112