Base | Representation |
---|---|
bin | 11011011110110… |
… | …01110100101011 |
3 | 121001210011012000 |
4 | 31233121310223 |
5 | 433003432342 |
6 | 34513022043 |
7 | 5466322065 |
oct | 1557316453 |
9 | 531704160 |
10 | 230530347 |
11 | 109145953 |
12 | 65254923 |
13 | 389b67b8 |
14 | 2288c735 |
15 | 1538a44c |
hex | dbd9d2b |
230530347 has 32 divisors (see below), whose sum is σ = 350438400. Its totient is φ = 149709024.
The previous prime is 230530343. The next prime is 230530361. The reversal of 230530347 is 743035032.
It is not a de Polignac number, because 230530347 - 22 = 230530343 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 230530347.
It is not an unprimeable number, because it can be changed into a prime (230530343) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493408 + ... + 493874.
It is an arithmetic number, because the mean of its divisors is an integer number (10951200).
Almost surely, 2230530347 is an apocalyptic number.
230530347 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
230530347 is a deficient number, since it is larger than the sum of its proper divisors (119908053).
230530347 is a wasteful number, since it uses less digits than its factorization.
230530347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912 (or 906 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 27.
The square root of 230530347 is about 15183.2258430150. The cubic root of 230530347 is about 613.1631330733.
Adding to 230530347 its reverse (743035032), we get a palindrome (973565379).
The spelling of 230530347 in words is "two hundred thirty million, five hundred thirty thousand, three hundred forty-seven".
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