Base | Representation |
---|---|
bin | 111001100000… |
… | …1011101100101 |
3 | 2002201220112002 |
4 | 1303001131211 |
5 | 30204340144 |
6 | 2554135045 |
7 | 514202210 |
oct | 163013545 |
9 | 62656462 |
10 | 30152549 |
11 | 16025069 |
12 | a121485 |
13 | 632955b |
14 | 400c777 |
15 | 29a914e |
hex | 1cc1765 |
30152549 has 4 divisors (see below), whose sum is σ = 34460064. Its totient is φ = 25845036.
The previous prime is 30152537. The next prime is 30152567. The reversal of 30152549 is 94525103.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94525103 = 1039 ⋅90977.
It is not a de Polignac number, because 30152549 - 212 = 30148453 is a prime.
It is a super-2 number, since 2×301525492 = 1818352422394802, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30152569) 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 3 ways as a sum of consecutive naturals, for example, 2153747 + ... + 2153760.
It is an arithmetic number, because the mean of its divisors is an integer number (8615016).
Almost surely, 230152549 is an apocalyptic number.
It is an amenable number.
30152549 is a deficient number, since it is larger than the sum of its proper divisors (4307515).
30152549 is an equidigital number, since it uses as much as digits as its factorization.
30152549 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4307514.
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 30152549 is about 5491.1336716565. The cubic root of 30152549 is about 311.2490328621.
The spelling of 30152549 in words is "thirty million, one hundred fifty-two thousand, five hundred forty-nine".
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