Base | Representation |
---|---|
bin | 10001000100100… |
… | …11111000000000 |
3 | 100222110220222100 |
4 | 20202103320000 |
5 | 243130241112 |
6 | 22113310400 |
7 | 3356165535 |
oct | 1042237000 |
9 | 328426870 |
10 | 143212032 |
11 | 73926357 |
12 | 3bb65400 |
13 | 23893362 |
14 | 1503cd8c |
15 | c88d2dc |
hex | 8893e00 |
143212032 has 60 divisors (see below), whose sum is σ = 413332920. Its totient is φ = 47735808.
The previous prime is 143212009. The next prime is 143212037. The reversal of 143212032 is 230212341.
It is a super-2 number, since 2×1432120322 = 41019372219138048, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 143211996 and 143212014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143212037) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10932 + ... + 20147.
It is an arithmetic number, because the mean of its divisors is an integer number (6888882).
Almost surely, 2143212032 is an apocalyptic number.
143212032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
143212032 is an abundant number, since it is smaller than the sum of its proper divisors (270120888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143212032 is an equidigital number, since it uses as much as digits as its factorization.
143212032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31103 (or 31084 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 143212032 is about 11967.1229625169. The cubic root of 143212032 is about 523.1904832318.
Adding to 143212032 its reverse (230212341), we get a palindrome (373424373).
The spelling of 143212032 in words is "one hundred forty-three million, two hundred twelve thousand, thirty-two".
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