Base | Representation |
---|---|
bin | 1000100110010… |
… | …00110101101100 |
3 | 12000201101000002 |
4 | 10103020311230 |
5 | 121431011204 |
6 | 11053523432 |
7 | 1534026212 |
oct | 423106554 |
9 | 160641002 |
10 | 72125804 |
11 | 37793203 |
12 | 201a3578 |
13 | 11c342ba |
14 | 9816cb2 |
15 | 64ea91e |
hex | 44c8d6c |
72125804 has 6 divisors (see below), whose sum is σ = 126220164. Its totient is φ = 36062900.
The previous prime is 72125803. The next prime is 72125819. The reversal of 72125804 is 40852127.
It is not an unprimeable number, because it can be changed into a prime (72125803) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9015722 + ... + 9015729.
It is an arithmetic number, because the mean of its divisors is an integer number (21036694).
Almost surely, 272125804 is an apocalyptic number.
It is an amenable number.
72125804 is a deficient number, since it is larger than the sum of its proper divisors (54094360).
72125804 is a wasteful number, since it uses less digits than its factorization.
72125804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18031455 (or 18031453 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 72125804 is about 8492.6912106823. The cubic root of 72125804 is about 416.2589225753.
The spelling of 72125804 in words is "seventy-two million, one hundred twenty-five thousand, eight hundred four".
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