Base | Representation |
---|---|
bin | 11011011111100… |
… | …00000011011010 |
3 | 121001221210002102 |
4 | 31233300003122 |
5 | 433014341102 |
6 | 34515003402 |
7 | 5500151414 |
oct | 1557600332 |
9 | 531853072 |
10 | 230621402 |
11 | 1091a8300 |
12 | 65299562 |
13 | 38a1908b |
14 | 228b39b4 |
15 | 153a7402 |
hex | dbf00da |
230621402 has 12 divisors (see below), whose sum is σ = 380239818. Its totient is φ = 104827800.
The previous prime is 230621389. The next prime is 230621423. The reversal of 230621402 is 204126032.
230621402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 195468361 + 35153041 = 13981^2 + 5929^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 476249 + ... + 476732.
Almost surely, 2230621402 is an apocalyptic number.
230621402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
230621402 is a deficient number, since it is larger than the sum of its proper divisors (149618416).
230621402 is a wasteful number, since it uses less digits than its factorization.
230621402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 953005 (or 952994 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 230621402 is about 15186.2240863224. The cubic root of 230621402 is about 613.2438516144.
Adding to 230621402 its reverse (204126032), we get a palindrome (434747434).
The spelling of 230621402 in words is "two hundred thirty million, six hundred twenty-one thousand, four hundred two".
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