Base | Representation |
---|---|
bin | 11011100010001… |
… | …01000101000000 |
3 | 121002121110211000 |
4 | 31301011011000 |
5 | 433112012124 |
6 | 34530252000 |
7 | 5503131642 |
oct | 1561050500 |
9 | 532543730 |
10 | 230969664 |
11 | 109415a22 |
12 | 65427000 |
13 | 38b0b753 |
14 | 22964892 |
15 | 154256c9 |
hex | dc45140 |
230969664 has 112 divisors (see below), whose sum is σ = 688685440. Its totient is φ = 75893760.
The previous prime is 230969663. The next prime is 230969677. The reversal of 230969664 is 466969032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230969663) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125229 + ... + 127059.
Almost surely, 2230969664 is an apocalyptic number.
230969664 is a gapful number since it is divisible by the number (24) 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 230969664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344342720).
230969664 is an abundant number, since it is smaller than the sum of its proper divisors (457715776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230969664 is a wasteful number, since it uses less digits than its factorization.
230969664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1925 (or 1909 counting only the distinct ones).
The product of its (nonzero) digits is 419904, while the sum is 45.
The square root of 230969664 is about 15197.6861396727. The cubic root of 230969664 is about 613.5523834253.
The spelling of 230969664 in words is "two hundred thirty million, nine hundred sixty-nine thousand, six hundred sixty-four".
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