Base | Representation |
---|---|
bin | 111001010000… |
… | …1001111100001 |
3 | 2002111012111020 |
4 | 1302201033201 |
5 | 30141124302 |
6 | 2551240053 |
7 | 513112356 |
oct | 162411741 |
9 | 62435436 |
10 | 30020577 |
11 | 15a449a4 |
12 | a079029 |
13 | 62b1472 |
14 | 3db662d |
15 | 297eebc |
hex | 1ca13e1 |
30020577 has 8 divisors (see below), whose sum is σ = 40079040. Its totient is φ = 19987920.
The previous prime is 30020563. The next prime is 30020581. The reversal of 30020577 is 77502003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30020577 - 24 = 30020561 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30020527) 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, 3549 + ... + 8522.
It is an arithmetic number, because the mean of its divisors is an integer number (5009880).
Almost surely, 230020577 is an apocalyptic number.
It is an amenable number.
30020577 is a deficient number, since it is larger than the sum of its proper divisors (10058463).
30020577 is a wasteful number, since it uses less digits than its factorization.
30020577 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12903.
The product of its (nonzero) digits is 1470, while the sum is 24.
The square root of 30020577 is about 5479.1036675719. The cubic root of 30020577 is about 310.7942760516.
The spelling of 30020577 in words is "thirty million, twenty thousand, five hundred seventy-seven".
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