Base | Representation |
---|---|
bin | 111001100100… |
… | …0000100010001 |
3 | 2002210021122000 |
4 | 1303020010101 |
5 | 30211221401 |
6 | 2554504213 |
7 | 514344114 |
oct | 163100421 |
9 | 62707560 |
10 | 30179601 |
11 | 16043421 |
12 | a135069 |
13 | 633896a |
14 | 401857b |
15 | 29b2186 |
hex | 1cc8111 |
30179601 has 8 divisors (see below), whose sum is σ = 44710560. Its totient is φ = 20119716.
The previous prime is 30179563. The next prime is 30179663. The reversal of 30179601 is 10697103.
It is not a de Polignac number, because 30179601 - 215 = 30146833 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1117763 = 30179601 / (3 + 0 + 1 + 7 + 9 + 6 + 0 + 1).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30172601) 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, 558855 + ... + 558908.
It is an arithmetic number, because the mean of its divisors is an integer number (5588820).
Almost surely, 230179601 is an apocalyptic number.
It is an amenable number.
30179601 is a deficient number, since it is larger than the sum of its proper divisors (14530959).
30179601 is a wasteful number, since it uses less digits than its factorization.
30179601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1117772 (or 1117766 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 27.
The square root of 30179601 is about 5493.5963630394. The cubic root of 30179601 is about 311.3420862670.
The spelling of 30179601 in words is "thirty million, one hundred seventy-nine thousand, six hundred one".
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