Base | Representation |
---|---|
bin | 11011011011110… |
… | …10100000010100 |
3 | 121001001022121220 |
4 | 31231322200110 |
5 | 432403434144 |
6 | 34500410340 |
7 | 5463104610 |
oct | 1555724024 |
9 | 531038556 |
10 | 230139924 |
11 | 1089a9593 |
12 | 650a69b0 |
13 | 388aab91 |
14 | 227ca340 |
15 | 1530e919 |
hex | db7a814 |
230139924 has 24 divisors (see below), whose sum is σ = 613706688. Its totient is φ = 65754240.
The previous prime is 230139919. The next prime is 230139947. The reversal of 230139924 is 429931032.
230139924 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369797 + ... + 1369964.
It is an arithmetic number, because the mean of its divisors is an integer number (25571112).
Almost surely, 2230139924 is an apocalyptic number.
It is an amenable number.
230139924 is an abundant number, since it is smaller than the sum of its proper divisors (383566764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230139924 is a wasteful number, since it uses less digits than its factorization.
230139924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2739775 (or 2739773 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 230139924 is about 15170.3633443632. The cubic root of 230139924 is about 612.8167892845.
The spelling of 230139924 in words is "two hundred thirty million, one hundred thirty-nine thousand, nine hundred twenty-four".
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