Base | Representation |
---|---|
bin | 111010010111… |
… | …1101101100001 |
3 | 2010120211222021 |
4 | 1310233231201 |
5 | 30313313004 |
6 | 3011541441 |
7 | 521062603 |
oct | 164575541 |
9 | 63524867 |
10 | 30604129 |
11 | 16303376 |
12 | a2ba881 |
13 | 6456c6a |
14 | 40c9173 |
15 | 2a47d54 |
hex | 1d2fb61 |
30604129 has 4 divisors (see below), whose sum is σ = 30875076. Its totient is φ = 30333184.
The previous prime is 30604109. The next prime is 30604157. The reversal of 30604129 is 92140603.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10712529 + 19891600 = 3273^2 + 4460^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30604129 is a prime.
It is a super-2 number, since 2×306041292 = 1873225423697282, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30604109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135304 + ... + 135529.
It is an arithmetic number, because the mean of its divisors is an integer number (7718769).
Almost surely, 230604129 is an apocalyptic number.
It is an amenable number.
30604129 is a deficient number, since it is larger than the sum of its proper divisors (270947).
30604129 is a wasteful number, since it uses less digits than its factorization.
30604129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270946.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 30604129 is about 5532.0998725620. The cubic root of 30604129 is about 312.7951481391.
The spelling of 30604129 in words is "thirty million, six hundred four thousand, one hundred twenty-nine".
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