Base | Representation |
---|---|
bin | 111010011010… |
… | …1000011010000 |
3 | 2010121221222022 |
4 | 1310311003100 |
5 | 30320013000 |
6 | 3012231012 |
7 | 521213426 |
oct | 164650320 |
9 | 63557868 |
10 | 30626000 |
11 | 16318849 |
12 | a30b468 |
13 | 6463bc2 |
14 | 40d3116 |
15 | 2a4e585 |
hex | 1d350d0 |
30626000 has 40 divisors (see below), whose sum is σ = 74058504. Its totient is φ = 12249600.
The previous prime is 30625979. The next prime is 30626023. The reversal of 30626000 is 62603.
It can be written as a sum of positive squares in 4 ways, for example, as 9759376 + 20866624 = 3124^2 + 4568^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 30626000.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5657 + ... + 9656.
Almost surely, 230626000 is an apocalyptic number.
It is an amenable number.
30626000 is an abundant number, since it is smaller than the sum of its proper divisors (43432504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30626000 is a wasteful number, since it uses less digits than its factorization.
30626000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15336 (or 15320 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 30626000 is about 5534.0762553474. The cubic root of 30626000 is about 312.8696425935.
Adding to 30626000 its reverse (62603), we get a palindrome (30688603).
The spelling of 30626000 in words is "thirty million, six hundred twenty-six thousand".
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