Base | Representation |
---|---|
bin | 111001010110… |
… | …0011111010100 |
3 | 2002120112200102 |
4 | 1302230133110 |
5 | 30144113034 |
6 | 2552233232 |
7 | 513363566 |
oct | 162543724 |
9 | 62515612 |
10 | 30066644 |
11 | 15a76573 |
12 | a09b818 |
13 | 62c941a |
14 | 3dc9336 |
15 | 298d97e |
hex | 1cac7d4 |
30066644 has 24 divisors (see below), whose sum is σ = 54340608. Its totient is φ = 14545440.
The previous prime is 30066643. The next prime is 30066661. The reversal of 30066644 is 44666003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30066643) 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, 32549 + ... + 33459.
It is an arithmetic number, because the mean of its divisors is an integer number (2264192).
Almost surely, 230066644 is an apocalyptic number.
It is an amenable number.
30066644 is a deficient number, since it is larger than the sum of its proper divisors (24273964).
30066644 is a wasteful number, since it uses less digits than its factorization.
30066644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1175 (or 1173 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 29.
The square root of 30066644 is about 5483.3059371149. The cubic root of 30066644 is about 310.9531675430.
The spelling of 30066644 in words is "thirty million, sixty-six thousand, six hundred forty-four".
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