Base | Representation |
---|---|
bin | 1000101100011… |
… | …10101011010100 |
3 | 12002020112120211 |
4 | 10112032223110 |
5 | 122132424043 |
6 | 11123135204 |
7 | 1543642555 |
oct | 426165324 |
9 | 162215524 |
10 | 72936148 |
11 | 3819700a |
12 | 20514504 |
13 | 121590ac |
14 | 998832c |
15 | 660aa9d |
hex | 458ead4 |
72936148 has 6 divisors (see below), whose sum is σ = 127638266. Its totient is φ = 36468072.
The previous prime is 72936113. The next prime is 72936161. The reversal of 72936148 is 84163927.
It can be written as a sum of positive squares in only one way, i.e., 67864644 + 5071504 = 8238^2 + 2252^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 72936148.
It is a congruent number.
It is an unprimeable number.
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, 9117015 + ... + 9117022.
Almost surely, 272936148 is an apocalyptic number.
It is an amenable number.
72936148 is a deficient number, since it is larger than the sum of its proper divisors (54702118).
72936148 is a wasteful number, since it uses less digits than its factorization.
72936148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18234041 (or 18234039 counting only the distinct ones).
The product of its digits is 72576, while the sum is 40.
The square root of 72936148 is about 8540.2662721955. The cubic root of 72936148 is about 417.8120305924.
The spelling of 72936148 in words is "seventy-two million, nine hundred thirty-six thousand, one hundred forty-eight".
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