Base | Representation |
---|---|
bin | 111010000000… |
… | …0110100000111 |
3 | 2010020002110211 |
4 | 1310000310013 |
5 | 30241141124 |
6 | 3003500251 |
7 | 516332560 |
oct | 164006407 |
9 | 63202424 |
10 | 30412039 |
11 | 16192019 |
12 | a227687 |
13 | 63ba6b8 |
14 | 4079167 |
15 | 2a0ae94 |
hex | 1d00d07 |
30412039 has 16 divisors (see below), whose sum is σ = 36936000. Its totient is φ = 24482304.
The previous prime is 30412007. The next prime is 30412073. The reversal of 30412039 is 93021403.
It is not a de Polignac number, because 30412039 - 25 = 30412007 is a prime.
It is a super-2 number, since 2×304120392 = 1849784232275042, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30412079) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5487 + ... + 9535.
It is an arithmetic number, because the mean of its divisors is an integer number (2308500).
Almost surely, 230412039 is an apocalyptic number.
30412039 is a deficient number, since it is larger than the sum of its proper divisors (6523961).
30412039 is a wasteful number, since it uses less digits than its factorization.
30412039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4122.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 30412039 is about 5514.7111438406. The cubic root of 30412039 is about 312.1393437133.
The spelling of 30412039 in words is "thirty million, four hundred twelve thousand, thirty-nine".
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