Base | Representation |
---|---|
bin | 111010101000… |
… | …1010101110001 |
3 | 2010211211220220 |
4 | 1311101111301 |
5 | 30332214443 |
6 | 3014523253 |
7 | 522205311 |
oct | 165212561 |
9 | 63754826 |
10 | 30741873 |
11 | 16397908 |
12 | a366529 |
13 | 64a4876 |
14 | 4123441 |
15 | 2a73a83 |
hex | 1d51571 |
30741873 has 4 divisors (see below), whose sum is σ = 40989168. Its totient is φ = 20494580.
The previous prime is 30741839. The next prime is 30741877. The reversal of 30741873 is 37814703.
30741873 is nontrivially palindromic in base 8.
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.
It is a cyclic number.
It is not a de Polignac number, because 30741873 - 28 = 30741617 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30741877) 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, 5123643 + ... + 5123648.
It is an arithmetic number, because the mean of its divisors is an integer number (10247292).
Almost surely, 230741873 is an apocalyptic number.
It is an amenable number.
30741873 is a deficient number, since it is larger than the sum of its proper divisors (10247295).
30741873 is a wasteful number, since it uses less digits than its factorization.
30741873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10247294.
The product of its (nonzero) digits is 14112, while the sum is 33.
The square root of 30741873 is about 5544.5354178687. The cubic root of 30741873 is about 313.2637251692.
The spelling of 30741873 in words is "thirty million, seven hundred forty-one thousand, eight hundred seventy-three".
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