Base | Representation |
---|---|
bin | 1001010111001… |
… | …1011110111011 |
3 | 2201220010202201 |
4 | 2111303132323 |
5 | 40023122311 |
6 | 3521411031 |
7 | 654535522 |
oct | 225633673 |
9 | 81803681 |
10 | 39270331 |
11 | 20192421 |
12 | 11199a77 |
13 | 819c6a9 |
14 | 53034b9 |
15 | 36aa9c1 |
hex | 25737bb |
39270331 has 4 divisors (see below), whose sum is σ = 39368664. Its totient is φ = 39172000.
The previous prime is 39270317. The next prime is 39270367. The reversal of 39270331 is 13307293.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13307293 = 53 ⋅251081.
It is a cyclic number.
It is not a de Polignac number, because 39270331 - 25 = 39270299 is a prime.
It is a super-2 number, since 2×392703312 = 3084317793699122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 39270331.
It is not an unprimeable number, because it can be changed into a prime (39970331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48565 + ... + 49366.
It is an arithmetic number, because the mean of its divisors is an integer number (9842166).
Almost surely, 239270331 is an apocalyptic number.
39270331 is a deficient number, since it is larger than the sum of its proper divisors (98333).
39270331 is an equidigital number, since it uses as much as digits as its factorization.
39270331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98332.
The product of its (nonzero) digits is 3402, while the sum is 28.
The square root of 39270331 is about 6266.6044234498. The cubic root of 39270331 is about 339.9028874898.
It can be divided in two parts, 39270 and 331, that added together give a square (39601 = 1992).
The spelling of 39270331 in words is "thirty-nine million, two hundred seventy thousand, three hundred thirty-one".
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