Base | Representation |
---|---|
bin | 111001010011… |
… | …1010000001101 |
3 | 2002112110021002 |
4 | 1302213100031 |
5 | 30142421242 |
6 | 2551550045 |
7 | 513244220 |
oct | 162472015 |
9 | 62473232 |
10 | 30045197 |
11 | 15a61446 |
12 | a08b325 |
13 | 62bc730 |
14 | 3dc15b7 |
15 | 2987432 |
hex | 1ca740d |
30045197 has 8 divisors (see below), whose sum is σ = 36978816. Its totient is φ = 23771952.
The previous prime is 30045181. The next prime is 30045209. The reversal of 30045197 is 79154003.
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 30045197 - 24 = 30045181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30045157) 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, 164993 + ... + 165174.
It is an arithmetic number, because the mean of its divisors is an integer number (4622352).
Almost surely, 230045197 is an apocalyptic number.
It is an amenable number.
30045197 is a deficient number, since it is larger than the sum of its proper divisors (6933619).
30045197 is a wasteful number, since it uses less digits than its factorization.
30045197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 330187.
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 30045197 is about 5481.3499249729. The cubic root of 30045197 is about 310.8792140624.
The spelling of 30045197 in words is "thirty million, forty-five thousand, one hundred ninety-seven".
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