Base | Representation |
---|---|
bin | 100110101001… |
… | …0100010101000 |
3 | 1102010100220121 |
4 | 1031102202220 |
5 | 20141323112 |
6 | 2002133024 |
7 | 334134031 |
oct | 115224250 |
9 | 42110817 |
10 | 20261032 |
11 | 10489460 |
12 | 6951174 |
13 | 427519c |
14 | 2995a88 |
15 | 1ba3407 |
hex | 13528a8 |
20261032 has 16 divisors (see below), whose sum is σ = 41443200. Its totient is φ = 9209520.
The previous prime is 20261023. The next prime is 20261039. The reversal of 20261032 is 23016202.
It is a super-3 number, since 3×202610323 (a number of 23 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20260997 and 20261015.
It is not an unprimeable number, because it can be changed into a prime (20261039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115032 + ... + 115207.
It is an arithmetic number, because the mean of its divisors is an integer number (2590200).
Almost surely, 220261032 is an apocalyptic number.
20261032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20261032 is an abundant number, since it is smaller than the sum of its proper divisors (21182168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20261032 is a wasteful number, since it uses less digits than its factorization.
20261032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230256 (or 230252 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 20261032 is about 4501.2256108753. The cubic root of 20261032 is about 272.6175774066.
Adding to 20261032 its reverse (23016202), we get a palindrome (43277234).
The spelling of 20261032 in words is "twenty million, two hundred sixty-one thousand, thirty-two".
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