Base | Representation |
---|---|
bin | 111010001110… |
… | …0011110101001 |
3 | 2010102211220122 |
4 | 1310130132221 |
5 | 30303302403 |
6 | 3010133025 |
7 | 520314125 |
oct | 164343651 |
9 | 63384818 |
10 | 30525353 |
11 | 1625a171 |
12 | a281175 |
13 | 642a151 |
14 | 40a8585 |
15 | 2a2e838 |
hex | 1d1c7a9 |
30525353 has 8 divisors (see below), whose sum is σ = 32529672. Its totient is φ = 28544256.
The previous prime is 30525293. The next prime is 30525367. The reversal of 30525353 is 35352503.
It can be written as a sum of positive squares in 4 ways, for example, as 3193369 + 27331984 = 1787^2 + 5228^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30525353 - 216 = 30459817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30525553) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050 + ... + 8387.
It is an arithmetic number, because the mean of its divisors is an integer number (4066209).
Almost surely, 230525353 is an apocalyptic number.
It is an amenable number.
30525353 is a deficient number, since it is larger than the sum of its proper divisors (2004319).
30525353 is a wasteful number, since it uses less digits than its factorization.
30525353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11611.
The product of its (nonzero) digits is 6750, while the sum is 26.
The square root of 30525353 is about 5524.9753845606. The cubic root of 30525353 is about 312.5265359866.
Adding to 30525353 its reverse (35352503), we get a palindrome (65877856).
The spelling of 30525353 in words is "thirty million, five hundred twenty-five thousand, three hundred fifty-three".
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