Base | Representation |
---|---|
bin | 111001001111… |
… | …0111001111100 |
3 | 2002110201100200 |
4 | 1302132321330 |
5 | 30140323004 |
6 | 2551123500 |
7 | 513042432 |
oct | 162367174 |
9 | 62421320 |
10 | 30011004 |
11 | 15a38791 |
12 | a073590 |
13 | 62a9cba |
14 | 3db2d52 |
15 | 297c239 |
hex | 1c9ee7c |
30011004 has 36 divisors (see below), whose sum is σ = 77479584. Its totient is φ = 9790272.
The previous prime is 30010997. The next prime is 30011029. The reversal of 30011004 is 40011003.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×300110042 = 1801320722176032, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7177 + ... + 10560.
Almost surely, 230011004 is an apocalyptic number.
It is an amenable number.
30011004 is an abundant number, since it is smaller than the sum of its proper divisors (47468580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30011004 is a wasteful number, since it uses less digits than its factorization.
30011004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17794 (or 17789 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 30011004 is about 5478.2300061242. The cubic root of 30011004 is about 310.7612370474.
Adding to 30011004 its reverse (40011003), we get a palindrome (70022007).
Subtracting 30011004 from its reverse (40011003), we obtain a palindrome (9999999).
It can be divided in two parts, 3001 and 1004, that added together give a triangular number (4005 = T89).
The spelling of 30011004 in words is "thirty million, eleven thousand, four".
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