Base | Representation |
---|---|
bin | 11011011111111… |
… | …11001101100000 |
3 | 121002001221020220 |
4 | 31233333031200 |
5 | 433023332423 |
6 | 34520203040 |
7 | 5500530420 |
oct | 1557771540 |
9 | 532057226 |
10 | 230683488 |
11 | 10923aa12 |
12 | 65309480 |
13 | 38a3b409 |
14 | 228cc480 |
15 | 153ba9e3 |
hex | dbff360 |
230683488 has 96 divisors (see below), whose sum is σ = 695068416. Its totient is φ = 65622528.
The previous prime is 230683471. The next prime is 230683501. The reversal of 230683488 is 884386032.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×2306834882 = 106429743271692288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189570 + ... + 190782.
It is an arithmetic number, because the mean of its divisors is an integer number (7240296).
Almost surely, 2230683488 is an apocalyptic number.
230683488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230683488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347534208).
230683488 is an abundant number, since it is smaller than the sum of its proper divisors (464384928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230683488 is a wasteful number, since it uses less digits than its factorization.
230683488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1516 (or 1508 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 42.
The square root of 230683488 is about 15188.2681040335. The cubic root of 230683488 is about 613.2988775015.
The spelling of 230683488 in words is "two hundred thirty million, six hundred eighty-three thousand, four hundred eighty-eight".
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