Base | Representation |
---|---|
bin | 10001000100101… |
… | …00000110010000 |
3 | 100222110222020010 |
4 | 20202110012100 |
5 | 243130303234 |
6 | 22113314520 |
7 | 3356201310 |
oct | 1042240620 |
9 | 328428203 |
10 | 143212944 |
11 | 73927006 |
12 | 3bb65a40 |
13 | 238938b4 |
14 | 1503d440 |
15 | c88d6e9 |
hex | 8894190 |
143212944 has 40 divisors (see below), whose sum is σ = 422820160. Its totient is φ = 40917888.
The previous prime is 143212939. The next prime is 143212967. The reversal of 143212944 is 449212341.
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, 212779 + ... + 213450.
It is an arithmetic number, because the mean of its divisors is an integer number (10570504).
Almost surely, 2143212944 is an apocalyptic number.
143212944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
143212944 is an abundant number, since it is smaller than the sum of its proper divisors (279607216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143212944 is a wasteful number, since it uses less digits than its factorization.
143212944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426247 (or 426241 counting only the distinct ones).
The product of its digits is 6912, while the sum is 30.
The square root of 143212944 is about 11967.1610668529. The cubic root of 143212944 is about 523.1915938198.
The spelling of 143212944 in words is "one hundred forty-three million, two hundred twelve thousand, nine hundred forty-four".
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