Base | Representation |
---|---|
bin | 111001011101… |
… | …1001101010001 |
3 | 2002200121101012 |
4 | 1302323031101 |
5 | 30203030204 |
6 | 2553420305 |
7 | 514034420 |
oct | 162731521 |
9 | 62617335 |
10 | 30126929 |
11 | 16007898 |
12 | a10a695 |
13 | 631a9b1 |
14 | 40032b7 |
15 | 29a176e |
hex | 1cbb351 |
30126929 has 8 divisors (see below), whose sum is σ = 34464000. Its totient is φ = 25798176.
The previous prime is 30126919. The next prime is 30126931. The reversal of 30126929 is 92962103.
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 30126929 - 28 = 30126673 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30126895 and 30126904.
It is not an unprimeable number, because it can be changed into a prime (30126919) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12917 + ... + 15069.
It is an arithmetic number, because the mean of its divisors is an integer number (4308000).
Almost surely, 230126929 is an apocalyptic number.
It is an amenable number.
30126929 is a deficient number, since it is larger than the sum of its proper divisors (4337071).
30126929 is a wasteful number, since it uses less digits than its factorization.
30126929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4159.
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 30126929 is about 5488.8003242967. The cubic root of 30126929 is about 311.1608539180.
The spelling of 30126929 in words is "thirty million, one hundred twenty-six thousand, nine hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •