Base | Representation |
---|---|
bin | 11001101001100… |
… | …010100110101100 |
3 | 1002222201112010102 |
4 | 121221202212230 |
5 | 1340130220134 |
6 | 110411130232 |
7 | 13443442250 |
oct | 3151424654 |
9 | 1088645112 |
10 | 430320044 |
11 | 2009a4900 |
12 | 100143978 |
13 | 6b1c915b |
14 | 41218260 |
15 | 27ba237e |
hex | 19a629ac |
430320044 has 72 divisors (see below), whose sum is σ = 953195040. Its totient is φ = 166383360.
The previous prime is 430320043. The next prime is 430320053. The reversal of 430320044 is 440023034.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 430319998 and 430320025.
It is not an unprimeable number, because it can be changed into a prime (430320043) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531512 + ... + 532320.
It is an arithmetic number, because the mean of its divisors is an integer number (13238820).
Almost surely, 2430320044 is an apocalyptic number.
430320044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 430320044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476597520).
430320044 is an abundant number, since it is smaller than the sum of its proper divisors (522874996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
430320044 is a wasteful number, since it uses less digits than its factorization.
430320044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 999 (or 986 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 20.
The square root of 430320044 is about 20744.1568640425. The cubic root of 430320044 is about 754.9714440320.
Adding to 430320044 its reverse (440023034), we get a palindrome (870343078).
The spelling of 430320044 in words is "four hundred thirty million, three hundred twenty thousand, forty-four".
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