Base | Representation |
---|---|
bin | 10001001010011… |
… | …11011000000000 |
3 | 101000220221110210 |
4 | 20211033120000 |
5 | 243324330112 |
6 | 22141554120 |
7 | 3365544600 |
oct | 1045173000 |
9 | 330827423 |
10 | 143980032 |
11 | 74300369 |
12 | 40275940 |
13 | 23aa1ab1 |
14 | 1519cc00 |
15 | c990b3c |
hex | 894f600 |
143980032 has 120 divisors (see below), whose sum is σ = 446429016. Its totient is φ = 41115648.
The previous prime is 143979989. The next prime is 143980033. The reversal of 143980032 is 230089341.
It is a super-2 number, since 2×1439800322 = 41460499229442048, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143980033) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74308 + ... + 76220.
Almost surely, 2143980032 is an apocalyptic number.
143980032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143980032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223214508).
143980032 is an abundant number, since it is smaller than the sum of its proper divisors (302448984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143980032 is an equidigital number, since it uses as much as digits as its factorization.
143980032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1948 (or 1925 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 143980032 is about 11999.1679711553. The cubic root of 143980032 is about 524.1240504236.
The spelling of 143980032 in words is "one hundred forty-three million, nine hundred eighty thousand, thirty-two".
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