Base | Representation |
---|---|
bin | 111001111001… |
… | …0110101111100 |
3 | 2010010011222022 |
4 | 1303302311330 |
5 | 30232323222 |
6 | 3002335312 |
7 | 516003665 |
oct | 163626574 |
9 | 63104868 |
10 | 30354812 |
11 | 16153024 |
12 | a1ba538 |
13 | 639a637 |
14 | 406236c |
15 | 29e9042 |
hex | 1cf2d7c |
30354812 has 6 divisors (see below), whose sum is σ = 53120928. Its totient is φ = 15177404.
The previous prime is 30354811. The next prime is 30354817. The reversal of 30354812 is 21845303.
It is a super-2 number, since 2×303548122 = 1842829223110688, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30354811) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3794348 + ... + 3794355.
It is an arithmetic number, because the mean of its divisors is an integer number (8853488).
Almost surely, 230354812 is an apocalyptic number.
It is an amenable number.
30354812 is a deficient number, since it is larger than the sum of its proper divisors (22766116).
30354812 is a wasteful number, since it uses less digits than its factorization.
30354812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7588707 (or 7588705 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 30354812 is about 5509.5201242939. The cubic root of 30354812 is about 311.9434342993.
The spelling of 30354812 in words is "thirty million, three hundred fifty-four thousand, eight hundred twelve".
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