Base | Representation |
---|---|
bin | 111010000000… |
… | …0010100111000 |
3 | 2010012222201210 |
4 | 1310000110320 |
5 | 30241110130 |
6 | 3003443120 |
7 | 516324003 |
oct | 164002470 |
9 | 63188653 |
10 | 30410040 |
11 | 16190571 |
12 | a2264a0 |
13 | 63b980b |
14 | 407853a |
15 | 2a0a5b0 |
hex | 1d00538 |
30410040 has 32 divisors (see below), whose sum is σ = 91230480. Its totient is φ = 8109312.
The previous prime is 30410033. The next prime is 30410053. The reversal of 30410040 is 4001403.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 30409998 and 30410025.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126589 + ... + 126828.
Almost surely, 230410040 is an apocalyptic number.
30410040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30410040 is an abundant number, since it is smaller than the sum of its proper divisors (60820440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30410040 is a wasteful number, since it uses less digits than its factorization.
30410040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253431 (or 253427 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 30410040 is about 5514.5298983685. The cubic root of 30410040 is about 312.1325045334.
Adding to 30410040 its reverse (4001403), we get a palindrome (34411443).
The spelling of 30410040 in words is "thirty million, four hundred ten thousand, forty".
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