Base | Representation |
---|---|
bin | 11011011100011… |
… | …10011001111000 |
3 | 121001012110102201 |
4 | 31232032121320 |
5 | 432414041212 |
6 | 34502235544 |
7 | 5463564340 |
oct | 1556163170 |
9 | 531173381 |
10 | 230221432 |
11 | 108a54851 |
12 | 65125bb4 |
13 | 38908ccc |
14 | 2280bd20 |
15 | 15328b57 |
hex | db8e678 |
230221432 has 16 divisors (see below), whose sum is σ = 493331760. Its totient is φ = 98666304.
The previous prime is 230221427. The next prime is 230221477. The reversal of 230221432 is 234122032.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055493 + ... + 2055604.
It is an arithmetic number, because the mean of its divisors is an integer number (30833235).
Almost surely, 2230221432 is an apocalyptic number.
It is an amenable number.
230221432 is an abundant number, since it is smaller than the sum of its proper divisors (263110328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230221432 is a wasteful number, since it uses less digits than its factorization.
230221432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4111110 (or 4111106 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 230221432 is about 15173.0495286874. The cubic root of 230221432 is about 612.8891272697.
Adding to 230221432 its reverse (234122032), we get a palindrome (464343464).
The spelling of 230221432 in words is "two hundred thirty million, two hundred twenty-one thousand, four hundred thirty-two".
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