Base | Representation |
---|---|
bin | 1000101100001… |
… | …00100011101101 |
3 | 12002011102201202 |
4 | 10112010203231 |
5 | 122130112301 |
6 | 11122215245 |
7 | 1543410665 |
oct | 426044355 |
9 | 162142652 |
10 | 72894701 |
11 | 38168960 |
12 | 204b4525 |
13 | 12143279 |
14 | 99771a5 |
15 | 65ed66b |
hex | 45848ed |
72894701 has 8 divisors (see below), whose sum is σ = 79704000. Its totient is φ = 66115840.
The previous prime is 72894631. The next prime is 72894721. The reversal of 72894701 is 10749827.
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 72894701 - 226 = 5785837 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72894721) 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, 2441 + ... + 12318.
It is an arithmetic number, because the mean of its divisors is an integer number (9963000).
Almost surely, 272894701 is an apocalyptic number.
It is an amenable number.
72894701 is a deficient number, since it is larger than the sum of its proper divisors (6809299).
72894701 is a wasteful number, since it uses less digits than its factorization.
72894701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15219.
The product of its (nonzero) digits is 28224, while the sum is 38.
The square root of 72894701 is about 8537.8393636798. The cubic root of 72894701 is about 417.7328730600.
The spelling of 72894701 in words is "seventy-two million, eight hundred ninety-four thousand, seven hundred one".
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