Base | Representation |
---|---|
bin | 1000100111000… |
… | …01101101111000 |
3 | 12000220112210011 |
4 | 10103201231320 |
5 | 121442241304 |
6 | 11100031304 |
7 | 1534632253 |
oct | 423415570 |
9 | 160815704 |
10 | 72227704 |
11 | 3785281a |
12 | 20232534 |
13 | 11c6b7b3 |
14 | 984209a |
15 | 651ac04 |
hex | 44e1b78 |
72227704 has 16 divisors (see below), whose sum is σ = 135517320. Its totient is φ = 36089760.
The previous prime is 72227689. The next prime is 72227707. The reversal of 72227704 is 40772227.
It is a super-2 number, since 2×722277042 = 10433682450223232, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72227707) 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 in 3 ways as a sum of consecutive naturals, for example, 20814 + ... + 24034.
Almost surely, 272227704 is an apocalyptic number.
It is an amenable number.
72227704 is a deficient number, since it is larger than the sum of its proper divisors (63289616).
72227704 is a wasteful number, since it uses less digits than its factorization.
72227704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6030 (or 6026 counting only the distinct ones).
The product of its (nonzero) digits is 10976, while the sum is 31.
The square root of 72227704 is about 8498.6883693897. The cubic root of 72227704 is about 416.4548618089.
The spelling of 72227704 in words is "seventy-two million, two hundred twenty-seven thousand, seven hundred four".
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