Base | Representation |
---|---|
bin | 11000000101001… |
… | …00101010000110 |
3 | 112002002201022122 |
4 | 30002210222012 |
5 | 403203013110 |
6 | 32013325542 |
7 | 5001660200 |
oct | 1402445206 |
9 | 462081278 |
10 | 202001030 |
11 | a402a400 |
12 | 577968b2 |
13 | 32b0804a |
14 | 1cb83770 |
15 | 12b02255 |
hex | c0a4a86 |
202001030 has 72 divisors (see below), whose sum is σ = 465048864. Its totient is φ = 62942880.
The previous prime is 202001003. The next prime is 202001039. The reversal of 202001030 is 30100202.
It is a super-2 number, since 2×2020010302 = 81608832242121800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202000999 and 202001017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202001039) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57587 + ... + 60993.
It is an arithmetic number, because the mean of its divisors is an integer number (6459012).
Almost surely, 2202001030 is an apocalyptic number.
202001030 is an abundant number, since it is smaller than the sum of its proper divisors (263047834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202001030 is a wasteful number, since it uses less digits than its factorization.
202001030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3450 (or 3432 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 202001030 is about 14212.7066387793. The cubic root of 202001030 is about 586.7474281179.
Adding to 202001030 its reverse (30100202), we get a palindrome (232101232).
The spelling of 202001030 in words is "two hundred two million, one thousand, thirty".
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