Base | Representation |
---|---|
bin | 111001111110… |
… | …1111110011010 |
3 | 2010012111112010 |
4 | 1303331332122 |
5 | 30240303120 |
6 | 3003330350 |
7 | 516253635 |
oct | 163757632 |
9 | 63174463 |
10 | 30400410 |
11 | 16184307 |
12 | a2209b6 |
13 | 63b5311 |
14 | 4074c1c |
15 | 2a077e0 |
hex | 1cfdf9a |
30400410 has 64 divisors (see below), whose sum is σ = 76567680. Its totient is φ = 7714560.
The previous prime is 30400351. The next prime is 30400417. The reversal of 30400410 is 1400403.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30400417) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72000 + ... + 72420.
It is an arithmetic number, because the mean of its divisors is an integer number (1196370).
Almost surely, 230400410 is an apocalyptic number.
30400410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30400410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38283840).
30400410 is an abundant number, since it is smaller than the sum of its proper divisors (46167270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30400410 is a wasteful number, since it uses less digits than its factorization.
30400410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 543.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 30400410 is about 5513.6566813685. The cubic root of 30400410 is about 312.0995532081.
Adding to 30400410 its reverse (1400403), we get a palindrome (31800813).
The spelling of 30400410 in words is "thirty million, four hundred thousand, four hundred ten".
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