Base | Representation |
---|---|
bin | 111001100000… |
… | …1010110101010 |
3 | 2002201212220200 |
4 | 1303001112222 |
5 | 30204331411 |
6 | 2554133030 |
7 | 514201005 |
oct | 163012652 |
9 | 62655820 |
10 | 30152106 |
11 | 160247a6 |
12 | a121176 |
13 | 63292aa |
14 | 400c53c |
15 | 29a8e56 |
hex | 1cc15aa |
30152106 has 12 divisors (see below), whose sum is σ = 65329602. Its totient is φ = 10050696.
The previous prime is 30152093. The next prime is 30152123. The reversal of 30152106 is 60125103.
It can be written as a sum of positive squares in only one way, i.e., 21206025 + 8946081 = 4605^2 + 2991^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1675117 = 30152106 / (3 + 0 + 1 + 5 + 2 + 1 + 0 + 6).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 837541 + ... + 837576.
Almost surely, 230152106 is an apocalyptic number.
30152106 is an abundant number, since it is smaller than the sum of its proper divisors (35177496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30152106 is a wasteful number, since it uses less digits than its factorization.
30152106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1675125 (or 1675122 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 30152106 is about 5491.0933337542. The cubic root of 30152106 is about 311.2475085686.
Adding to 30152106 its reverse (60125103), we get a palindrome (90277209).
The spelling of 30152106 in words is "thirty million, one hundred fifty-two thousand, one hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •