Base | Representation |
---|---|
bin | 1000100110000… |
… | …11101100110001 |
3 | 12000200022010102 |
4 | 10103003230301 |
5 | 121424323003 |
6 | 11053242145 |
7 | 1533610640 |
oct | 423035461 |
9 | 160608112 |
10 | 72104753 |
11 | 37779406 |
12 | 20193355 |
13 | 11c27846 |
14 | 980d357 |
15 | 64e4588 |
hex | 44c3b31 |
72104753 has 8 divisors (see below), whose sum is σ = 86742720. Its totient is φ = 58551120.
The previous prime is 72104743. The next prime is 72104761. The reversal of 72104753 is 35740127.
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 72104753 - 218 = 71842609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72104723) 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, 270938 + ... + 271203.
It is an arithmetic number, because the mean of its divisors is an integer number (10842840).
Almost surely, 272104753 is an apocalyptic number.
It is an amenable number.
72104753 is a deficient number, since it is larger than the sum of its proper divisors (14637967).
72104753 is a wasteful number, since it uses less digits than its factorization.
72104753 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 542167.
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 72104753 is about 8491.4517604471. The cubic root of 72104753 is about 416.2184214937.
The spelling of 72104753 in words is "seventy-two million, one hundred four thousand, seven hundred fifty-three".
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