Base | Representation |
---|---|
bin | 111001100000… |
… | …1010111000111 |
3 | 2002201212221202 |
4 | 1303001113013 |
5 | 30204332020 |
6 | 2554133115 |
7 | 514201046 |
oct | 163012707 |
9 | 62655852 |
10 | 30152135 |
11 | 16024822 |
12 | a12119b |
13 | 6329300 |
14 | 400c55d |
15 | 29a8e75 |
hex | 1cc15c7 |
30152135 has 24 divisors (see below), whose sum is σ = 41504400. Its totient is φ = 20946432.
The previous prime is 30152131. The next prime is 30152147. The reversal of 30152135 is 53125103.
It is not a de Polignac number, because 30152135 - 22 = 30152131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30152131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13316 + ... + 15414.
It is an arithmetic number, because the mean of its divisors is an integer number (1729350).
Almost surely, 230152135 is an apocalyptic number.
30152135 is a deficient number, since it is larger than the sum of its proper divisors (11352265).
30152135 is a wasteful number, since it uses less digits than its factorization.
30152135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2147 (or 2134 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 30152135 is about 5491.0959743935. The cubic root of 30152135 is about 311.2476083535.
Adding to 30152135 its reverse (53125103), we get a palindrome (83277238).
The spelling of 30152135 in words is "thirty million, one hundred fifty-two thousand, one hundred thirty-five".
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