Base | Representation |
---|---|
bin | 111001010001… |
… | …0111011001110 |
3 | 2002111112221112 |
4 | 1302202323032 |
5 | 30141334340 |
6 | 2551332022 |
7 | 513141434 |
oct | 162427316 |
9 | 62445845 |
10 | 30027470 |
11 | 15a4a0a0 |
12 | a081012 |
13 | 62b4645 |
14 | 3db8d54 |
15 | 2982065 |
hex | 1ca2ece |
30027470 has 32 divisors (see below), whose sum is σ = 61002720. Its totient is φ = 10541440.
The previous prime is 30027469. The next prime is 30027479. The reversal of 30027470 is 7472003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30027479) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517 + ... + 7896.
It is an arithmetic number, because the mean of its divisors is an integer number (1906335).
Almost surely, 230027470 is an apocalyptic number.
30027470 is an abundant number, since it is smaller than the sum of its proper divisors (30975250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30027470 is a wasteful number, since it uses less digits than its factorization.
30027470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9460.
The product of its (nonzero) digits is 1176, while the sum is 23.
The square root of 30027470 is about 5479.7326577124. The cubic root of 30027470 is about 310.8180613040.
Adding to 30027470 its reverse (7472003), we get a palindrome (37499473).
The spelling of 30027470 in words is "thirty million, twenty-seven thousand, four hundred seventy".
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