Base | Representation |
---|---|
bin | 11001101001001… |
… | …011000000111100 |
3 | 1002222112121120202 |
4 | 121221023000330 |
5 | 1340114122140 |
6 | 110405103032 |
7 | 13442560454 |
oct | 3151130074 |
9 | 1088477522 |
10 | 430223420 |
11 | 200939250 |
12 | 1000b7a78 |
13 | 6b194193 |
14 | 411d0d64 |
15 | 27b83915 |
hex | 19a4b03c |
430223420 has 96 divisors (see below), whose sum is σ = 1072128960. Its totient is φ = 143216640.
The previous prime is 430223413. The next prime is 430223447. The reversal of 430223420 is 24322034.
It is a super-2 number, since 2×4302234202 = 370184382232992800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 430223392 and 430223401.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136826 + ... + 139934.
It is an arithmetic number, because the mean of its divisors is an integer number (11168010).
Almost surely, 2430223420 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 430223420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536064480).
430223420 is an abundant number, since it is smaller than the sum of its proper divisors (641905540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
430223420 is a wasteful number, since it uses less digits than its factorization.
430223420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3183 (or 3181 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 20.
The square root of 430223420 is about 20741.8277883122. The cubic root of 430223420 is about 754.9149327428.
Adding to 430223420 its reverse (24322034), we get a palindrome (454545454).
The spelling of 430223420 in words is "four hundred thirty million, two hundred twenty-three thousand, four hundred twenty".
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