Base | Representation |
---|---|
bin | 111001010111… |
… | …0100100010101 |
3 | 2002120222100201 |
4 | 1302232210111 |
5 | 30144401112 |
6 | 2552340501 |
7 | 513430450 |
oct | 162564425 |
9 | 62528321 |
10 | 30075157 |
11 | 15a81a02 |
12 | a0a4731 |
13 | 6300268 |
14 | 3dcc497 |
15 | 2991257 |
hex | 1cae915 |
30075157 has 8 divisors (see below), whose sum is σ = 36180800. Its totient is φ = 24421824.
The previous prime is 30075151. The next prime is 30075163. The reversal of 30075157 is 75157003.
It is an interprime number because it is at equal distance from previous prime (30075151) and next prime (30075163).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30075157 - 219 = 29550869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30075151) 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 7 ways as a sum of consecutive naturals, for example, 112932 + ... + 113197.
It is an arithmetic number, because the mean of its divisors is an integer number (4522600).
Almost surely, 230075157 is an apocalyptic number.
It is an amenable number.
30075157 is a deficient number, since it is larger than the sum of its proper divisors (6105643).
30075157 is a wasteful number, since it uses less digits than its factorization.
30075157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226155.
The product of its (nonzero) digits is 3675, while the sum is 28.
The square root of 30075157 is about 5484.0821474518. The cubic root of 30075157 is about 310.9825122937.
It can be divided in two parts, 300 and 75157, that added together give a palindrome (75457).
The spelling of 30075157 in words is "thirty million, seventy-five thousand, one hundred fifty-seven".
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