Base | Representation |
---|---|
bin | 11000000101011… |
… | …10101010111111 |
3 | 112002011210120210 |
4 | 30002232222333 |
5 | 403210321142 |
6 | 32014243503 |
7 | 5002220604 |
oct | 1402565277 |
9 | 462153523 |
10 | 202042047 |
11 | a40581a9 |
12 | 577b6593 |
13 | 32b2090c |
14 | 1cb946ab |
15 | 12b0e49c |
hex | c0aeabf |
202042047 has 8 divisors (see below), whose sum is σ = 269533440. Its totient is φ = 134622680.
The previous prime is 202042039. The next prime is 202042103. The reversal of 202042047 is 740240202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 202042047 - 23 = 202042039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202042147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11079 + ... + 22952.
It is an arithmetic number, because the mean of its divisors is an integer number (33691680).
Almost surely, 2202042047 is an apocalyptic number.
202042047 is a deficient number, since it is larger than the sum of its proper divisors (67491393).
202042047 is a wasteful number, since it uses less digits than its factorization.
202042047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36013.
The product of its (nonzero) digits is 896, while the sum is 21.
The square root of 202042047 is about 14214.1495348825. The cubic root of 202042047 is about 586.7871391208.
Adding to 202042047 its reverse (740240202), we get a palindrome (942282249).
The spelling of 202042047 in words is "two hundred two million, forty-two thousand, forty-seven".
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