Base | Representation |
---|---|
bin | 11010100111000… |
… | …11110111000110 |
3 | 120120001022221202 |
4 | 31103203313012 |
5 | 424121401210 |
6 | 34052342502 |
7 | 5350302332 |
oct | 1523436706 |
9 | 516038852 |
10 | 223231430 |
11 | 105010094 |
12 | 62914a32 |
13 | 3732c506 |
14 | 2190c7c2 |
15 | 148e79a5 |
hex | d4e3dc6 |
223231430 has 8 divisors (see below), whose sum is σ = 401816592. Its totient is φ = 89292568.
The previous prime is 223231427. The next prime is 223231451. The reversal of 223231430 is 34132322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×2232314303 (a number of 26 digits) contains 333 as substring.
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, 11161562 + ... + 11161581.
It is an arithmetic number, because the mean of its divisors is an integer number (50227074).
Almost surely, 2223231430 is an apocalyptic number.
223231430 is a deficient number, since it is larger than the sum of its proper divisors (178585162).
223231430 is a wasteful number, since it uses less digits than its factorization.
223231430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22323150.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 223231430 is about 14940.9313632049. The cubic root of 223231430 is about 606.6224058332.
Adding to 223231430 its reverse (34132322), we get a palindrome (257363752).
The spelling of 223231430 in words is "two hundred twenty-three million, two hundred thirty-one thousand, four hundred thirty".
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