Base | Representation |
---|---|
bin | 1011111011001… |
… | …01011001011100 |
3 | 20222020001102110 |
4 | 11331211121130 |
5 | 201101430134 |
6 | 13531554020 |
7 | 2323145532 |
oct | 575453134 |
9 | 228201373 |
10 | 100030044 |
11 | 51512064 |
12 | 295bb910 |
13 | 1795439a |
14 | d3dc152 |
15 | 8bad7e9 |
hex | 5f6565c |
100030044 has 12 divisors (see below), whose sum is σ = 233403464. Its totient is φ = 33343344.
The previous prime is 100030043. The next prime is 100030067. The reversal of 100030044 is 440030001.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8335837 = 100030044 / (1 + 0 + 0 + 0 + 3 + 0 + 0 + 4 + 4).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100030043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4167907 + ... + 4167930.
Almost surely, 2100030044 is an apocalyptic number.
It is an amenable number.
100030044 is an abundant number, since it is smaller than the sum of its proper divisors (133373420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100030044 is a wasteful number, since it uses less digits than its factorization.
100030044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8335844 (or 8335842 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 100030044 is about 10001.5020871867. The cubic root of 100030044 is about 464.2053626718.
Adding to 100030044 its reverse (440030001), we get a palindrome (540060045).
The spelling of 100030044 in words is "one hundred million, thirty thousand, forty-four".
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