Base | Representation |
---|---|
bin | 111010001101… |
… | …1001011000010 |
3 | 2010102120120110 |
4 | 1310123023002 |
5 | 30303120002 |
6 | 3010052150 |
7 | 520262412 |
oct | 164331302 |
9 | 63376513 |
10 | 30520002 |
11 | 16256147 |
12 | a27a056 |
13 | 6427896 |
14 | 40a6642 |
15 | 2a2ce6c |
hex | 1d1b2c2 |
30520002 has 16 divisors (see below), whose sum is σ = 61094880. Its totient is φ = 10164192.
The previous prime is 30519959. The next prime is 30520019. The reversal of 30520002 is 20002503.
It is a self number, because there is not a number n which added to its sum of digits gives 30520002.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10149 + ... + 12807.
It is an arithmetic number, because the mean of its divisors is an integer number (3818430).
Almost surely, 230520002 is an apocalyptic number.
30520002 is an abundant number, since it is smaller than the sum of its proper divisors (30574878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30520002 is a wasteful number, since it uses less digits than its factorization.
30520002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4577.
The product of its (nonzero) digits is 60, while the sum is 12.
The square root of 30520002 is about 5524.4911077854. The cubic root of 30520002 is about 312.5082732743.
Adding to 30520002 its reverse (20002503), we get a palindrome (50522505).
The spelling of 30520002 in words is "thirty million, five hundred twenty thousand, two".
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