Base | Representation |
---|---|
bin | 111010000111… |
… | …1011101100100 |
3 | 2010100010202221 |
4 | 1310033131210 |
5 | 30300101121 |
6 | 3005042124 |
7 | 520002520 |
oct | 164173544 |
9 | 63303687 |
10 | 30472036 |
11 | 16223101 |
12 | a256344 |
13 | 640baba |
14 | 4092d80 |
15 | 2a1db41 |
hex | 1d0f764 |
30472036 has 24 divisors (see below), whose sum is σ = 62363840. Its totient is φ = 12755232.
The previous prime is 30472031. The next prime is 30472063. The reversal of 30472036 is 63027403.
30472036 = T291 + T292 + ... + T591.
It is a self number, because there is not a number n which added to its sum of digits gives 30472036.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30472031) 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, 11451 + ... + 13858.
Almost surely, 230472036 is an apocalyptic number.
It is an amenable number.
30472036 is an abundant number, since it is smaller than the sum of its proper divisors (31891804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30472036 is a wasteful number, since it uses less digits than its factorization.
30472036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25363 (or 25361 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 25.
The square root of 30472036 is about 5520.1481864167. The cubic root of 30472036 is about 312.3444721550.
Adding to 30472036 its reverse (63027403), we get a palindrome (93499439).
The spelling of 30472036 in words is "thirty million, four hundred seventy-two thousand, thirty-six".
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