Base | Representation |
---|---|
bin | 111001011011… |
… | …0100011011000 |
3 | 2002122122020002 |
4 | 1302312203120 |
5 | 30201422424 |
6 | 2553152132 |
7 | 513625013 |
oct | 162664330 |
9 | 62578202 |
10 | 30107864 |
11 | 15aa4536 |
12 | a0bb648 |
13 | 6312107 |
14 | 3dda37a |
15 | 299acae |
hex | 1cb68d8 |
30107864 has 8 divisors (see below), whose sum is σ = 56452260. Its totient is φ = 15053928.
The previous prime is 30107863. The next prime is 30107911. The reversal of 30107864 is 46870103.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30107863) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1881734 + ... + 1881749.
Almost surely, 230107864 is an apocalyptic number.
It is an amenable number.
30107864 is a deficient number, since it is larger than the sum of its proper divisors (26344396).
30107864 is a wasteful number, since it uses less digits than its factorization.
30107864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3763489 (or 3763485 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 30107864 is about 5487.0633311454. The cubic root of 30107864 is about 311.0952035328.
Adding to 30107864 its reverse (46870103), we get a palindrome (76977967).
It can be divided in two parts, 3010 and 7864, that multiplied together give a triangular number (23670640 = T6880).
The spelling of 30107864 in words is "thirty million, one hundred seven thousand, eight hundred sixty-four".
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