Base | Representation |
---|---|
bin | 111010011111… |
… | …0010110111111 |
3 | 2010200220021102 |
4 | 1310332112333 |
5 | 30322223002 |
6 | 3013123315 |
7 | 521432534 |
oct | 164762677 |
9 | 63626242 |
10 | 30664127 |
11 | 1634445a |
12 | a32953b |
13 | 6478370 |
14 | 4102d8b |
15 | 2a5aa02 |
hex | 1d3e5bf |
30664127 has 4 divisors (see below), whose sum is σ = 33022920. Its totient is φ = 28305336.
The previous prime is 30664111. The next prime is 30664147. The reversal of 30664127 is 72146603.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72146603 = 6247 ⋅11549.
It is a cyclic number.
It is not a de Polignac number, because 30664127 - 24 = 30664111 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30664127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30664147) 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, 1179377 + ... + 1179402.
It is an arithmetic number, because the mean of its divisors is an integer number (8255730).
Almost surely, 230664127 is an apocalyptic number.
30664127 is a deficient number, since it is larger than the sum of its proper divisors (2358793).
30664127 is a wasteful number, since it uses less digits than its factorization.
30664127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2358792.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 30664127 is about 5537.5199322440. The cubic root of 30664127 is about 312.9994215847. Note that the first 3 decimals are identical.
The spelling of 30664127 in words is "thirty million, six hundred sixty-four thousand, one hundred twenty-seven".
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