Base | Representation |
---|---|
bin | 11001101000011… |
… | …100000011000000 |
3 | 1002222011211200120 |
4 | 121220130003000 |
5 | 1340041443130 |
6 | 110401020240 |
7 | 13441126545 |
oct | 3150340300 |
9 | 1088154616 |
10 | 430031040 |
11 | 20081775a |
12 | 100024680 |
13 | 6b12774a |
14 | 41180bcc |
15 | 27b46910 |
hex | 19a1c0c0 |
430031040 has 112 divisors (see below), whose sum is σ = 1372819200. Its totient is φ = 114048000.
The previous prime is 430030987. The next prime is 430031071. The reversal of 430031040 is 40130034.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189915 + ... + 192165.
Almost surely, 2430031040 is an apocalyptic number.
430031040 is a gapful number since it is divisible by the number (40) 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 430031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686409600).
430031040 is an abundant number, since it is smaller than the sum of its proper divisors (942788160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
430031040 is a wasteful number, since it uses less digits than its factorization.
430031040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2470 (or 2460 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 430031040 is about 20737.1897806815. The cubic root of 430031040 is about 754.8023926216.
Adding to 430031040 its reverse (40130034), we get a palindrome (470161074).
The spelling of 430031040 in words is "four hundred thirty million, thirty-one thousand, forty".
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