Base | Representation |
---|---|
bin | 10001000110000… |
… | …00001001100100 |
3 | 100222211010201221 |
4 | 20203000021210 |
5 | 243202042010 |
6 | 22121230124 |
7 | 3360552334 |
oct | 1043001144 |
9 | 328733657 |
10 | 143393380 |
11 | 73a3a629 |
12 | 40032344 |
13 | 23927a70 |
14 | 150890c4 |
15 | c8c6dda |
hex | 88c0264 |
143393380 has 48 divisors (see below), whose sum is σ = 341369280. Its totient is φ = 50156928.
The previous prime is 143393377. The next prime is 143393387. The reversal of 143393380 is 83393341.
It is a super-2 number, since 2×1433933802 = 41123322855648800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (143393387) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9574 + ... + 19453.
It is an arithmetic number, because the mean of its divisors is an integer number (7111860).
Almost surely, 2143393380 is an apocalyptic number.
143393380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143393380 is an abundant number, since it is smaller than the sum of its proper divisors (197975900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143393380 is a wasteful number, since it uses less digits than its factorization.
143393380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29068 (or 29066 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 34.
The square root of 143393380 is about 11974.6974909598. The cubic root of 143393380 is about 523.4112270856.
The spelling of 143393380 in words is "one hundred forty-three million, three hundred ninety-three thousand, three hundred eighty".
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