Base | Representation |
---|---|
bin | 111001011101… |
… | …0101101111111 |
3 | 2002200111122001 |
4 | 1302322231333 |
5 | 30202444202 |
6 | 2553403131 |
7 | 514025530 |
oct | 162725577 |
9 | 62614561 |
10 | 30124927 |
11 | 16006338 |
12 | a1094a7 |
13 | 6319b01 |
14 | 4002687 |
15 | 29a0d87 |
hex | 1cbab7f |
30124927 has 4 divisors (see below), whose sum is σ = 34428496. Its totient is φ = 25821360.
The previous prime is 30124921. The next prime is 30124949. The reversal of 30124927 is 72942103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30124927 - 211 = 30122879 is a prime.
It is a super-2 number, since 2×301249272 = 1815022453510658, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30124895 and 30124904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30124921) 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, 2151774 + ... + 2151787.
It is an arithmetic number, because the mean of its divisors is an integer number (8607124).
Almost surely, 230124927 is an apocalyptic number.
30124927 is a deficient number, since it is larger than the sum of its proper divisors (4303569).
30124927 is an equidigital number, since it uses as much as digits as its factorization.
30124927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4303568.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 30124927 is about 5488.6179499032. The cubic root of 30124927 is about 311.1539613267.
The spelling of 30124927 in words is "thirty million, one hundred twenty-four thousand, nine hundred twenty-seven".
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