Base | Representation |
---|---|
bin | 10001001001111… |
… | …00110111010000 |
3 | 101000210002110111 |
4 | 20210330313100 |
5 | 243314413313 |
6 | 22140211104 |
7 | 3365110540 |
oct | 1044746720 |
9 | 330702414 |
10 | 143904208 |
11 | 742593a8 |
12 | 40239a94 |
13 | 23a76426 |
14 | 1517d320 |
15 | c97843d |
hex | 893cdd0 |
143904208 has 80 divisors (see below), whose sum is σ = 328105984. Its totient is φ = 59875200.
The previous prime is 143904203. The next prime is 143904209. The reversal of 143904208 is 802409341.
It is a self number, because there is not a number n which added to its sum of digits gives 143904208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143904203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952933 + ... + 953083.
Almost surely, 2143904208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143904208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164052992).
143904208 is an abundant number, since it is smaller than the sum of its proper divisors (184201776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143904208 is a wasteful number, since it uses less digits than its factorization.
143904208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360 (or 354 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 143904208 is about 11996.0080026649. The cubic root of 143904208 is about 524.0320280328.
The spelling of 143904208 in words is "one hundred forty-three million, nine hundred four thousand, two hundred eight".
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