Base | Representation |
---|---|
bin | 11000011011011… |
… | …10111110100000 |
3 | 112021121100211110 |
4 | 30031232332200 |
5 | 404430130010 |
6 | 32200143320 |
7 | 5035564314 |
oct | 1415567640 |
9 | 467540743 |
10 | 204926880 |
11 | a5748664 |
12 | 58767b40 |
13 | 335c0a12 |
14 | 1d305b44 |
15 | 12ece120 |
hex | c36efa0 |
204926880 has 48 divisors (see below), whose sum is σ = 645521184. Its totient is φ = 54647040.
The previous prime is 204926797. The next prime is 204926881. The reversal of 204926880 is 88629402.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×2049268802 = 83990052293068800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (204926881) 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, 212986 + ... + 213945.
It is an arithmetic number, because the mean of its divisors is an integer number (13448358).
Almost surely, 2204926880 is an apocalyptic number.
204926880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
204926880 is an abundant number, since it is smaller than the sum of its proper divisors (440594304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204926880 is a wasteful number, since it uses less digits than its factorization.
204926880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 426949 (or 426941 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 39.
The square root of 204926880 is about 14315.2673743804. The cubic root of 204926880 is about 589.5667411941.
It can be divided in two parts, 20492 and 6880, that added together give a palindrome (27372).
The spelling of 204926880 in words is "two hundred four million, nine hundred twenty-six thousand, eight hundred eighty".
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