Base | Representation |
---|---|
bin | 1000101100011… |
… | …11010110110100 |
3 | 12002020200101221 |
4 | 10112033112310 |
5 | 122133021212 |
6 | 11123200124 |
7 | 1543653643 |
oct | 426172664 |
9 | 162220357 |
10 | 72938932 |
11 | 38199110 |
12 | 20516044 |
13 | 1215a441 |
14 | 998935a |
15 | 660b807 |
hex | 458f5b4 |
72938932 has 24 divisors (see below), whose sum is σ = 139688640. Its totient is φ = 33048960.
The previous prime is 72938923. The next prime is 72938933. The reversal of 72938932 is 23983927.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72938933) 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, 12369 + ... + 17287.
It is an arithmetic number, because the mean of its divisors is an integer number (5820360).
Almost surely, 272938932 is an apocalyptic number.
It is an amenable number.
72938932 is a deficient number, since it is larger than the sum of its proper divisors (66749708).
72938932 is a wasteful number, since it uses less digits than its factorization.
72938932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5271 (or 5269 counting only the distinct ones).
The product of its digits is 163296, while the sum is 43.
The square root of 72938932 is about 8540.4292632162. The cubic root of 72938932 is about 417.8173465385.
The spelling of 72938932 in words is "seventy-two million, nine hundred thirty-eight thousand, nine hundred thirty-two".
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