Base | Representation |
---|---|
bin | 111010000001… |
… | …1100101011011 |
3 | 2010020200001010 |
4 | 1310003211123 |
5 | 30242022022 |
6 | 3004025003 |
7 | 516410631 |
oct | 164034533 |
9 | 63220033 |
10 | 30423387 |
11 | 1619a5a5 |
12 | a232163 |
13 | 63c2907 |
14 | 407d351 |
15 | 2a0e50c |
hex | 1d0395b |
30423387 has 8 divisors (see below), whose sum is σ = 42950736. Its totient is φ = 19089152.
The previous prime is 30423383. The next prime is 30423391. The reversal of 30423387 is 78332403.
It is an interprime number because it is at equal distance from previous prime (30423383) and next prime (30423391).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30423387 - 22 = 30423383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30423383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298218 + ... + 298319.
It is an arithmetic number, because the mean of its divisors is an integer number (5368842).
Almost surely, 230423387 is an apocalyptic number.
30423387 is a deficient number, since it is larger than the sum of its proper divisors (12527349).
30423387 is a wasteful number, since it uses less digits than its factorization.
30423387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 596557.
The product of its (nonzero) digits is 12096, while the sum is 30.
The square root of 30423387 is about 5515.7399322303. The cubic root of 30423387 is about 312.1781629540.
The spelling of 30423387 in words is "thirty million, four hundred twenty-three thousand, three hundred eighty-seven".
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