Base | Representation |
---|---|
bin | 111001100000… |
… | …1010111010011 |
3 | 2002201212222012 |
4 | 1303001113103 |
5 | 30204332042 |
6 | 2554133135 |
7 | 514201064 |
oct | 163012723 |
9 | 62655865 |
10 | 30152147 |
11 | 16024833 |
12 | a1211ab |
13 | 632930c |
14 | 400c56b |
15 | 29a8e82 |
hex | 1cc15d3 |
30152147 has 2 divisors, whose sum is σ = 30152148. Its totient is φ = 30152146.
The previous prime is 30152131. The next prime is 30152189. The reversal of 30152147 is 74125103.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30152147 - 24 = 30152131 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30152347) 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 as a sum of consecutive naturals, namely, 15076073 + 15076074.
It is an arithmetic number, because the mean of its divisors is an integer number (15076074).
Almost surely, 230152147 is an apocalyptic number.
30152147 is a deficient number, since it is larger than the sum of its proper divisors (1).
30152147 is an equidigital number, since it uses as much as digits as its factorization.
30152147 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 30152147 is about 5491.0970670714. The cubic root of 30152147 is about 311.2476496438.
It can be divided in two parts, 30152 and 147, that multiplied together give a palindrome (4432344).
The spelling of 30152147 in words is "thirty million, one hundred fifty-two thousand, one hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •