Base | Representation |
---|---|
bin | 11000000110111… |
… | …00110011101111 |
3 | 112002112101210220 |
4 | 30003130303233 |
5 | 403232343043 |
6 | 32022302423 |
7 | 5003635551 |
oct | 1403346357 |
9 | 462471726 |
10 | 202231023 |
11 | a4177185 |
12 | 57887a13 |
13 | 32b88937 |
14 | 1cc034d1 |
15 | 12b4a483 |
hex | c0dccef |
202231023 has 8 divisors (see below), whose sum is σ = 269742000. Its totient is φ = 134770368.
The previous prime is 202231009. The next prime is 202231039. The reversal of 202231023 is 320132202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 202231023 - 28 = 202230767 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 202230993 and 202231011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202231423) 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, 1908 + ... + 20201.
It is an arithmetic number, because the mean of its divisors is an integer number (33717750).
Almost surely, 2202231023 is an apocalyptic number.
202231023 is a deficient number, since it is larger than the sum of its proper divisors (67510977).
202231023 is a wasteful number, since it uses less digits than its factorization.
202231023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25161.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 202231023 is about 14220.7954418872. The cubic root of 202231023 is about 586.9700286620.
Adding to 202231023 its reverse (320132202), we get a palindrome (522363225).
The spelling of 202231023 in words is "two hundred two million, two hundred thirty-one thousand, twenty-three".
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