Base | Representation |
---|---|
bin | 11011011100100… |
… | …10111010010010 |
3 | 121001020101202100 |
4 | 31232102322102 |
5 | 432420134030 |
6 | 34502501230 |
7 | 5464002216 |
oct | 1556227222 |
9 | 531211670 |
10 | 230239890 |
11 | 108a67701 |
12 | 65134816 |
13 | 3891452a |
14 | 22814946 |
15 | 1532e360 |
hex | db92e92 |
230239890 has 48 divisors (see below), whose sum is σ = 624656448. Its totient is φ = 58727328.
The previous prime is 230239861. The next prime is 230239901. The reversal of 230239890 is 98932032.
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, 53544 + ... + 57683.
It is an arithmetic number, because the mean of its divisors is an integer number (13013676).
Almost surely, 2230239890 is an apocalyptic number.
230239890 is an abundant number, since it is smaller than the sum of its proper divisors (394416558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230239890 is a wasteful number, since it uses less digits than its factorization.
230239890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111263 (or 111260 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 230239890 is about 15173.6577660101. The cubic root of 230239890 is about 612.9055062909.
The spelling of 230239890 in words is "two hundred thirty million, two hundred thirty-nine thousand, eight hundred ninety".
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