Base | Representation |
---|---|
bin | 1000101100010… |
… | …11111001111101 |
3 | 12002012222000102 |
4 | 10112023321331 |
5 | 122132043142 |
6 | 11123010445 |
7 | 1543564511 |
oct | 426137175 |
9 | 162188012 |
10 | 72924797 |
11 | 38189530 |
12 | 20509a25 |
13 | 12153b8a |
14 | 9984141 |
15 | 6607532 |
hex | 458be7d |
72924797 has 8 divisors (see below), whose sum is σ = 80182272. Its totient is φ = 65772000.
The previous prime is 72924757. The next prime is 72924809. The reversal of 72924797 is 79742927.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72924797 - 28 = 72924541 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72924757) 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, 24704 + ... + 27497.
It is an arithmetic number, because the mean of its divisors is an integer number (10022784).
Almost surely, 272924797 is an apocalyptic number.
It is an amenable number.
72924797 is a deficient number, since it is larger than the sum of its proper divisors (7257475).
72924797 is a wasteful number, since it uses less digits than its factorization.
72924797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52339.
The product of its digits is 444528, while the sum is 47.
The square root of 72924797 is about 8539.6016886035. The cubic root of 72924797 is about 417.7903548731.
The spelling of 72924797 in words is "seventy-two million, nine hundred twenty-four thousand, seven hundred ninety-seven".
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