Base | Representation |
---|---|
bin | 111010110101… |
… | …0010001100010 |
3 | 2011001001000110 |
4 | 1311222101202 |
5 | 30344002002 |
6 | 3021032150 |
7 | 523112130 |
oct | 165522142 |
9 | 64031013 |
10 | 30844002 |
11 | 16457612 |
12 | a3b5656 |
13 | 650c1b7 |
14 | 414c750 |
15 | 2a93e6c |
hex | 1d6a462 |
30844002 has 16 divisors (see below), whose sum is σ = 70500672. Its totient is φ = 8812560.
The previous prime is 30843991. The next prime is 30844007. The reversal of 30844002 is 20044803.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 30844002.
It is not an unprimeable number, because it can be changed into a prime (30844007) 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, 367149 + ... + 367232.
It is an arithmetic number, because the mean of its divisors is an integer number (4406292).
Almost surely, 230844002 is an apocalyptic number.
30844002 is an abundant number, since it is smaller than the sum of its proper divisors (39656670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30844002 is a wasteful number, since it uses less digits than its factorization.
30844002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 734393.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 30844002 is about 5553.7376603509. The cubic root of 30844002 is about 313.6102443659.
Adding to 30844002 its reverse (20044803), we get a palindrome (50888805).
The spelling of 30844002 in words is "thirty million, eight hundred forty-four thousand, two".
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