Base | Representation |
---|---|
bin | 1000101011101… |
… | …00001001100101 |
3 | 12002001000112120 |
4 | 10111310021211 |
5 | 122120434433 |
6 | 11120540153 |
7 | 1543011024 |
oct | 425641145 |
9 | 162030476 |
10 | 72827493 |
11 | 38122412 |
12 | 20481659 |
13 | 1211b7bb |
14 | 995a8bb |
15 | 65d87b3 |
hex | 4574265 |
72827493 has 8 divisors (see below), whose sum is σ = 98332800. Its totient is φ = 47936928.
The previous prime is 72827471. The next prime is 72827519. The reversal of 72827493 is 39472827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72827493 - 26 = 72827429 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72837493) 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, 153408 + ... + 153881.
It is an arithmetic number, because the mean of its divisors is an integer number (12291600).
Almost surely, 272827493 is an apocalyptic number.
It is an amenable number.
72827493 is a deficient number, since it is larger than the sum of its proper divisors (25505307).
72827493 is a wasteful number, since it uses less digits than its factorization.
72827493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307371.
The product of its digits is 169344, while the sum is 42.
The square root of 72827493 is about 8533.9025656496. The cubic root of 72827493 is about 417.6044520947.
The spelling of 72827493 in words is "seventy-two million, eight hundred twenty-seven thousand, four hundred ninety-three".
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