Base | Representation |
---|---|
bin | 111010001011… |
… | …0111000010111 |
3 | 2010101200110101 |
4 | 1310112320113 |
5 | 30302034143 |
6 | 3005434531 |
7 | 520160230 |
oct | 164267027 |
9 | 63350411 |
10 | 30502423 |
11 | 16243a16 |
12 | a26ba47 |
13 | 641c893 |
14 | 40a0087 |
15 | 2a27b4d |
hex | 1d16e17 |
30502423 has 8 divisors (see below), whose sum is σ = 34933248. Its totient is φ = 26089944.
The previous prime is 30502421. The next prime is 30502441. The reversal of 30502423 is 32420503.
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 30502423 - 21 = 30502421 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30502423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30502421) 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, 811 + ... + 7852.
It is an arithmetic number, because the mean of its divisors is an integer number (4366656).
Almost surely, 230502423 is an apocalyptic number.
30502423 is a deficient number, since it is larger than the sum of its proper divisors (4430825).
30502423 is an equidigital number, since it uses as much as digits as its factorization.
30502423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9173.
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 30502423 is about 5522.8998723497. The cubic root of 30502423 is about 312.4482619413.
Adding to 30502423 its reverse (32420503), we get a palindrome (62922926).
The spelling of 30502423 in words is "thirty million, five hundred two thousand, four hundred twenty-three".
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