Base | Representation |
---|---|
bin | 11011011110101… |
… | …11111010001001 |
3 | 121001202202102120 |
4 | 31233113322021 |
5 | 433003210010 |
6 | 34512521453 |
7 | 5466260163 |
oct | 1557277211 |
9 | 531682376 |
10 | 230522505 |
11 | 10913aa74 |
12 | 65250289 |
13 | 389b3065 |
14 | 22889933 |
15 | 15387e70 |
hex | dbd7e89 |
230522505 has 32 divisors (see below), whose sum is σ = 373621248. Its totient is φ = 121363200.
The previous prime is 230522473. The next prime is 230522557. The reversal of 230522505 is 505225032.
It is not a de Polignac number, because 230522505 - 25 = 230522473 is a prime.
It is a super-2 number, since 2×2305225052 = 106281250622950050, which contains 22 as substring.
It is a zygodrome in base 14.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534640 + ... + 535070.
It is an arithmetic number, because the mean of its divisors is an integer number (11675664).
Almost surely, 2230522505 is an apocalyptic number.
It is an amenable number.
230522505 is a deficient number, since it is larger than the sum of its proper divisors (143098743).
230522505 is a wasteful number, since it uses less digits than its factorization.
230522505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 817.
The product of its (nonzero) digits is 3000, while the sum is 24.
The square root of 230522505 is about 15182.9675953023. The cubic root of 230522505 is about 613.1561802941.
Adding to 230522505 its reverse (505225032), we get a palindrome (735747537).
The spelling of 230522505 in words is "two hundred thirty million, five hundred twenty-two thousand, five hundred five".
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