Base | Representation |
---|---|
bin | 111001011001… |
… | …0010000000100 |
3 | 2002121202001111 |
4 | 1302302100010 |
5 | 30200341434 |
6 | 2552534404 |
7 | 513522442 |
oct | 162622004 |
9 | 62552044 |
10 | 30090244 |
11 | 15a92278 |
12 | a0b1404 |
13 | 63070a2 |
14 | 3dd3b92 |
15 | 2995964 |
hex | 1cb2404 |
30090244 has 12 divisors (see below), whose sum is σ = 52932124. Its totient is φ = 14966784.
The previous prime is 30090241. The next prime is 30090271. The reversal of 30090244 is 44209003.
It can be written as a sum of positive squares in 2 ways, for example, as 4202500 + 25887744 = 2050^2 + 5088^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30090241) 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, 18717 + ... + 20260.
Almost surely, 230090244 is an apocalyptic number.
It is an amenable number.
30090244 is a deficient number, since it is larger than the sum of its proper divisors (22841880).
30090244 is a wasteful number, since it uses less digits than its factorization.
30090244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39174 (or 39172 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 30090244 is about 5485.4575014305. The cubic root of 30090244 is about 311.0345043619.
Adding to 30090244 its reverse (44209003), we get a palindrome (74299247).
The spelling of 30090244 in words is "thirty million, ninety thousand, two hundred forty-four".
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