Base | Representation |
---|---|
bin | 111001001110… |
… | …0111110111100 |
3 | 2002110022120010 |
4 | 1302130332330 |
5 | 30140100012 |
6 | 2551023220 |
7 | 513010455 |
oct | 162347674 |
9 | 62408503 |
10 | 30003132 |
11 | 15a32885 |
12 | a06ab10 |
13 | 62a6543 |
14 | 3db012c |
15 | 2979c3c |
hex | 1c9cfbc |
30003132 has 24 divisors (see below), whose sum is σ = 73051776. Its totient is φ = 9566128.
The previous prime is 30003119. The next prime is 30003143. The reversal of 30003132 is 23130003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54078 + ... + 54629.
It is an arithmetic number, because the mean of its divisors is an integer number (3043824).
Almost surely, 230003132 is an apocalyptic number.
It is an amenable number.
30003132 is an abundant number, since it is smaller than the sum of its proper divisors (43048644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30003132 is a wasteful number, since it uses less digits than its factorization.
30003132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108737 (or 108735 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 12.
The square root of 30003132 is about 5477.5114787648. The cubic root of 30003132 is about 310.7340633882.
Adding to 30003132 its reverse (23130003), we get a palindrome (53133135).
It can be divided in two parts, 30003 and 132, that added together give a triangular number (30135 = T245).
The spelling of 30003132 in words is "thirty million, three thousand, one hundred thirty-two".
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