Base | Representation |
---|---|
bin | 11011011001010… |
… | …00101011101100 |
3 | 121000102021220011 |
4 | 31230220223230 |
5 | 432312223110 |
6 | 34445303004 |
7 | 5460210532 |
oct | 1554505354 |
9 | 530367804 |
10 | 229804780 |
11 | 10879a807 |
12 | 64b64a64 |
13 | 387c147a |
14 | 22740152 |
15 | 1529548a |
hex | db28aec |
229804780 has 24 divisors (see below), whose sum is σ = 495634608. Its totient is φ = 89437248.
The previous prime is 229804763. The next prime is 229804781. The reversal of 229804780 is 87408922.
It is not an unprimeable number, because it can be changed into a prime (229804781) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154534 + ... + 156013.
It is an arithmetic number, because the mean of its divisors is an integer number (20651442).
Almost surely, 2229804780 is an apocalyptic number.
229804780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
229804780 is an abundant number, since it is smaller than the sum of its proper divisors (265829828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
229804780 is a wasteful number, since it uses less digits than its factorization.
229804780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310593 (or 310591 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 229804780 is about 15159.3133089860. The cubic root of 229804780 is about 612.5191708563.
The spelling of 229804780 in words is "two hundred twenty-nine million, eight hundred four thousand, seven hundred eighty".
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