Base | Representation |
---|---|
bin | 111001011101… |
… | …1010100100101 |
3 | 2002200122000112 |
4 | 1302323110211 |
5 | 30203034042 |
6 | 2553422405 |
7 | 514035656 |
oct | 162732445 |
9 | 62618015 |
10 | 30127397 |
11 | 16008183 |
12 | a10aa05 |
13 | 631ac81 |
14 | 400352d |
15 | 29a1982 |
hex | 1cbb525 |
30127397 has 8 divisors (see below), whose sum is σ = 30541056. Its totient is φ = 29716272.
The previous prime is 30127393. The next prime is 30127399. The reversal of 30127397 is 79372103.
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 30127397 - 22 = 30127393 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 (30127393) 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, 37403 + ... + 38199.
It is an arithmetic number, because the mean of its divisors is an integer number (3817632).
Almost surely, 230127397 is an apocalyptic number.
It is an amenable number.
30127397 is a deficient number, since it is larger than the sum of its proper divisors (413659).
30127397 is a wasteful number, since it uses less digits than its factorization.
30127397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1267.
The product of its (nonzero) digits is 7938, while the sum is 32.
The square root of 30127397 is about 5488.8429563980. The cubic root of 30127397 is about 311.1624651291.
The spelling of 30127397 in words is "thirty million, one hundred twenty-seven thousand, three hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •