Base | Representation |
---|---|
bin | 111010001110… |
… | …0010011110101 |
3 | 2010102210222000 |
4 | 1310130103311 |
5 | 30303242121 |
6 | 3010125513 |
7 | 520312116 |
oct | 164342365 |
9 | 63383860 |
10 | 30524661 |
11 | 162596a2 |
12 | a280899 |
13 | 6429a3b |
14 | 40a820d |
15 | 2a2e526 |
hex | 1d1c4f5 |
30524661 has 32 divisors (see below), whose sum is σ = 46811520. Its totient is φ = 19648512.
The previous prime is 30524647. The next prime is 30524671. The reversal of 30524661 is 16642503.
It is not a de Polignac number, because 30524661 - 25 = 30524629 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30524671) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118645 + ... + 118901.
It is an arithmetic number, because the mean of its divisors is an integer number (1462860).
Almost surely, 230524661 is an apocalyptic number.
It is an amenable number.
30524661 is a deficient number, since it is larger than the sum of its proper divisors (16286859).
30524661 is a wasteful number, since it uses less digits than its factorization.
30524661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402 (or 396 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 30524661 is about 5524.9127594922. The cubic root of 30524661 is about 312.5241743432.
The spelling of 30524661 in words is "thirty million, five hundred twenty-four thousand, six hundred sixty-one".
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