Base | Representation |
---|---|
bin | 111010000101… |
… | …0001001001111 |
3 | 2010022000220020 |
4 | 1310022021033 |
5 | 30243402010 |
6 | 3004353223 |
7 | 516552153 |
oct | 164121117 |
9 | 63260806 |
10 | 30450255 |
11 | 16208800 |
12 | a245813 |
13 | 6401c04 |
14 | 4089063 |
15 | 2a17470 |
hex | 1d0a24f |
30450255 has 48 divisors (see below), whose sum is σ = 56434560. Its totient is φ = 13970880.
The previous prime is 30450241. The next prime is 30450257. The reversal of 30450255 is 55205403.
It is not a de Polignac number, because 30450255 - 24 = 30450239 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30450257) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34044 + ... + 34926.
It is an arithmetic number, because the mean of its divisors is an integer number (1175720).
Almost surely, 230450255 is an apocalyptic number.
30450255 is a deficient number, since it is larger than the sum of its proper divisors (25984305).
30450255 is a wasteful number, since it uses less digits than its factorization.
30450255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 932 (or 921 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 24.
The square root of 30450255 is about 5518.1749700422. The cubic root of 30450255 is about 312.2700345457.
Adding to 30450255 its reverse (55205403), we get a palindrome (85655658).
The spelling of 30450255 in words is "thirty million, four hundred fifty thousand, two hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •