Base | Representation |
---|---|
bin | 11000001111111… |
… | …01111001000000 |
3 | 112011202120001202 |
4 | 30013331321000 |
5 | 404033240404 |
6 | 32103520332 |
7 | 5016666644 |
oct | 1407757100 |
9 | 464676052 |
10 | 203415104 |
11 | a4905862 |
12 | 581590a8 |
13 | 331b1889 |
14 | 1d030c24 |
15 | 12cd121e |
hex | c1fde40 |
203415104 has 28 divisors (see below), whose sum is σ = 413502348. Its totient is φ = 99225600.
The previous prime is 203415073. The next prime is 203415119. The reversal of 203415104 is 401514302.
203415104 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 14077504 + 189337600 = 3752^2 + 13760^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36137 + ... + 41384.
It is an arithmetic number, because the mean of its divisors is an integer number (14767941).
Almost surely, 2203415104 is an apocalyptic number.
It is an amenable number.
203415104 is an abundant number, since it is smaller than the sum of its proper divisors (210087244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203415104 is an equidigital number, since it uses as much as digits as its factorization.
203415104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77574 (or 77564 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 203415104 is about 14262.3667040222. The cubic root of 203415104 is about 588.1133876695.
Adding to 203415104 its reverse (401514302), we get a palindrome (604929406).
The spelling of 203415104 in words is "two hundred three million, four hundred fifteen thousand, one hundred four".
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