Base | Representation |
---|---|
bin | 11011011011111… |
… | …10100111110000 |
3 | 121001002011202100 |
4 | 31231332213300 |
5 | 432410004114 |
6 | 34501020400 |
7 | 5463205014 |
oct | 1555764760 |
9 | 531064670 |
10 | 230156784 |
11 | 108a10220 |
12 | 650b4700 |
13 | 388b5760 |
14 | 227d2544 |
15 | 15314909 |
hex | db7e9f0 |
230156784 has 120 divisors (see below), whose sum is σ = 756795312. Its totient is φ = 64373760.
The previous prime is 230156779. The next prime is 230156813. The reversal of 230156784 is 487651032.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15004 + ... + 26180.
Almost surely, 2230156784 is an apocalyptic number.
230156784 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 230156784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378397656).
230156784 is an abundant number, since it is smaller than the sum of its proper divisors (526638528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230156784 is a wasteful number, since it uses less digits than its factorization.
230156784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11215 (or 11206 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 230156784 is about 15170.9190229201. The cubic root of 230156784 is about 612.8317538600.
The spelling of 230156784 in words is "two hundred thirty million, one hundred fifty-six thousand, seven hundred eighty-four".
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