Base | Representation |
---|---|
bin | 10001010010011… |
… | …11100001010011 |
3 | 101002220020122222 |
4 | 20221033201103 |
5 | 244111413303 |
6 | 22220251255 |
7 | 3410504444 |
oct | 1051174123 |
9 | 332806588 |
10 | 145029203 |
11 | 74957650 |
12 | 406a0b2b |
13 | 2407b4c7 |
14 | 153932cb |
15 | caeb938 |
hex | 8a4f853 |
145029203 has 8 divisors (see below), whose sum is σ = 163669680. Its totient is φ = 127298080.
The previous prime is 145029197. The next prime is 145029211. The reversal of 145029203 is 302920541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145029203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145029803) 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 7 ways as a sum of consecutive naturals, for example, 227000 + ... + 227637.
It is an arithmetic number, because the mean of its divisors is an integer number (20458710).
Almost surely, 2145029203 is an apocalyptic number.
145029203 is a deficient number, since it is larger than the sum of its proper divisors (18640477).
145029203 is a wasteful number, since it uses less digits than its factorization.
145029203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454677.
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 145029203 is about 12042.8071063187. The cubic root of 145029203 is about 525.3940539684.
Adding to 145029203 its reverse (302920541), we get a palindrome (447949744).
The spelling of 145029203 in words is "one hundred forty-five million, twenty-nine thousand, two hundred three".
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