Base | Representation |
---|---|
bin | 111001101111… |
… | …0110101000101 |
3 | 2002222000112012 |
4 | 1303132311011 |
5 | 30222212322 |
6 | 3000504005 |
7 | 515213000 |
oct | 163366505 |
9 | 62860465 |
10 | 30272837 |
11 | 160a7481 |
12 | a17b005 |
13 | 636c22a |
14 | 4040537 |
15 | 29ceae2 |
hex | 1cded45 |
30272837 has 8 divisors (see below), whose sum is σ = 35304000. Its totient is φ = 25947852.
The previous prime is 30272819. The next prime is 30272843. The reversal of 30272837 is 73827203.
It is a happy number.
It is not a de Polignac number, because 30272837 - 26 = 30272773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30272857) 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, 43787 + ... + 44472.
It is an arithmetic number, because the mean of its divisors is an integer number (4413000).
Almost surely, 230272837 is an apocalyptic number.
It is an amenable number.
30272837 is a deficient number, since it is larger than the sum of its proper divisors (5031163).
30272837 is an frugal number, since it uses more digits than its factorization.
30272837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88280 (or 88266 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 32.
The square root of 30272837 is about 5502.0756992248. The cubic root of 30272837 is about 311.6623737895.
The spelling of 30272837 in words is "thirty million, two hundred seventy-two thousand, eight hundred thirty-seven".
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