Base | Representation |
---|---|
bin | 111001010010… |
… | …1010000001000 |
3 | 2002112001000111 |
4 | 1302211100020 |
5 | 30142141000 |
6 | 2551444104 |
7 | 513211300 |
oct | 162452010 |
9 | 62461014 |
10 | 30037000 |
11 | 15a56274 |
12 | a086634 |
13 | 62b8a96 |
14 | 3dbc600 |
15 | 2984cba |
hex | 1ca5408 |
30037000 has 96 divisors (see below), whose sum is σ = 81895320. Its totient is φ = 10281600.
The previous prime is 30036997. The next prime is 30037001. The reversal of 30037000 is 73003.
It can be written as a sum of positive squares in 4 ways, for example, as 1285956 + 28751044 = 1134^2 + 5362^2 .
It is not an unprimeable number, because it can be changed into a prime (30037001) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48694 + ... + 49306.
Almost surely, 230037000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30037000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40947660).
30037000 is an abundant number, since it is smaller than the sum of its proper divisors (51858320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30037000 is a wasteful number, since it uses less digits than its factorization.
30037000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 648 (or 627 counting only the distinct ones).
The product of its (nonzero) digits is 63, while the sum is 13.
The square root of 30037000 is about 5480.6021566977. The cubic root of 30037000 is about 310.8509398961.
The spelling of 30037000 in words is "thirty million, thirty-seven thousand".
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