Base | Representation |
---|---|
bin | 111010001101… |
… | …1001011011011 |
3 | 2010102120121101 |
4 | 1310123023123 |
5 | 30303120102 |
6 | 3010052231 |
7 | 520262446 |
oct | 164331333 |
9 | 63376541 |
10 | 30520027 |
11 | 1625616a |
12 | a27a077 |
13 | 64278b5 |
14 | 40a665d |
15 | 2a2ce87 |
hex | 1d1b2db |
30520027 has 8 divisors (see below), whose sum is σ = 31605120. Its totient is φ = 29441280.
The previous prime is 30520019. The next prime is 30520043. The reversal of 30520027 is 72002503.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30520027 - 23 = 30520019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30519986 and 30520013.
It is not an unprimeable number, because it can be changed into a prime (30520097) 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, 9549 + ... + 12337.
It is an arithmetic number, because the mean of its divisors is an integer number (3950640).
Almost surely, 230520027 is an apocalyptic number.
30520027 is a deficient number, since it is larger than the sum of its proper divisors (1085093).
30520027 is a wasteful number, since it uses less digits than its factorization.
30520027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3173.
The product of its (nonzero) digits is 420, while the sum is 19.
The square root of 30520027 is about 5524.4933704368. The cubic root of 30520027 is about 312.5083586031.
It can be divided in two parts, 3052002 and 7, that added together give a square (3052009 = 17472).
The spelling of 30520027 in words is "thirty million, five hundred twenty thousand, twenty-seven".
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