Base | Representation |
---|---|
bin | 111001010111… |
… | …0010001000111 |
3 | 2002120220200011 |
4 | 1302232101013 |
5 | 30144331202 |
6 | 2552331051 |
7 | 513424042 |
oct | 162562107 |
9 | 62526604 |
10 | 30073927 |
11 | 15a80a94 |
12 | a0a3a87 |
13 | 62cc830 |
14 | 3dcbc59 |
15 | 2990bd7 |
hex | 1cae447 |
30073927 has 4 divisors (see below), whose sum is σ = 32387320. Its totient is φ = 27760536.
The previous prime is 30073919. The next prime is 30073961. The reversal of 30073927 is 72937003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72937003 = 211 ⋅345673.
It is a cyclic number.
It is not a de Polignac number, because 30073927 - 23 = 30073919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30073907) 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 3 ways as a sum of consecutive naturals, for example, 1156677 + ... + 1156702.
It is an arithmetic number, because the mean of its divisors is an integer number (8096830).
Almost surely, 230073927 is an apocalyptic number.
30073927 is a deficient number, since it is larger than the sum of its proper divisors (2313393).
30073927 is a wasteful number, since it uses less digits than its factorization.
30073927 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2313392.
The product of its (nonzero) digits is 7938, while the sum is 31.
The square root of 30073927 is about 5483.9700035649. The cubic root of 30073927 is about 310.9782727624.
The spelling of 30073927 in words is "thirty million, seventy-three thousand, nine hundred twenty-seven".
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