Base | Representation |
---|---|
bin | 111001110101… |
… | …1000110110100 |
3 | 2010001120111200 |
4 | 1303223012310 |
5 | 30230314444 |
6 | 3001532500 |
7 | 515512416 |
oct | 163530664 |
9 | 63046450 |
10 | 30323124 |
11 | 16131237 |
12 | a1a4130 |
13 | 63890a0 |
14 | 40549b6 |
15 | 29de969 |
hex | 1ceb1b4 |
30323124 has 36 divisors (see below), whose sum is σ = 82547556. Its totient is φ = 9330048.
The previous prime is 30323119. The next prime is 30323141. The reversal of 30323124 is 42132303.
It can be written as a sum of positive squares in 2 ways, for example, as 17791524 + 12531600 = 4218^2 + 3540^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30323097 and 30323106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31929 + ... + 32864.
Almost surely, 230323124 is an apocalyptic number.
It is an amenable number.
30323124 is an abundant number, since it is smaller than the sum of its proper divisors (52224432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30323124 is a wasteful number, since it uses less digits than its factorization.
30323124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64816 (or 64811 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 30323124 is about 5506.6436238420. The cubic root of 30323124 is about 311.8348484929.
Adding to 30323124 its reverse (42132303), we get a palindrome (72455427).
The spelling of 30323124 in words is "thirty million, three hundred twenty-three thousand, one hundred twenty-four".
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