Base | Representation |
---|---|
bin | 1000100111010… |
… | …01101111011100 |
3 | 12000222012212111 |
4 | 10103221233130 |
5 | 121444314242 |
6 | 11100443404 |
7 | 1535130136 |
oct | 423515734 |
9 | 160865774 |
10 | 72260572 |
11 | 3787548a |
12 | 20249564 |
13 | 11c80747 |
14 | 9850056 |
15 | 6525817 |
hex | 44e9bdc |
72260572 has 48 divisors (see below), whose sum is σ = 141200640. Its totient is φ = 32199552.
The previous prime is 72260563. The next prime is 72260579. The reversal of 72260572 is 27506227.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72260579) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116808 + ... + 117424.
It is an arithmetic number, because the mean of its divisors is an integer number (2941680).
Almost surely, 272260572 is an apocalyptic number.
It is an amenable number.
72260572 is a deficient number, since it is larger than the sum of its proper divisors (68940068).
72260572 is a wasteful number, since it uses less digits than its factorization.
72260572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 730 (or 728 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 31.
The square root of 72260572 is about 8500.6218596053. The cubic root of 72260572 is about 416.5180229962.
Adding to 72260572 its reverse (27506227), we get a palindrome (99766799).
The spelling of 72260572 in words is "seventy-two million, two hundred sixty thousand, five hundred seventy-two".
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