Base | Representation |
---|---|
bin | 10000100001101… |
… | …00100100001101 |
3 | 100122211222221222 |
4 | 20100310210031 |
5 | 240442033331 |
6 | 21431133125 |
7 | 3302212226 |
oct | 1020644415 |
9 | 318758858 |
10 | 138627341 |
11 | 71284856 |
12 | 3a5141a5 |
13 | 22949618 |
14 | 145a824d |
15 | c284b7b |
hex | 843490d |
138627341 has 4 divisors (see below), whose sum is σ = 139624800. Its totient is φ = 137629884.
The previous prime is 138627331. The next prime is 138627343. The reversal of 138627341 is 143726831.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143726831 = 53 ⋅2711827.
It is a cyclic number.
It is not a de Polignac number, because 138627341 - 210 = 138626317 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 (138627343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498521 + ... + 498798.
It is an arithmetic number, because the mean of its divisors is an integer number (34906200).
Almost surely, 2138627341 is an apocalyptic number.
It is an amenable number.
138627341 is a deficient number, since it is larger than the sum of its proper divisors (997459).
138627341 is an equidigital number, since it uses as much as digits as its factorization.
138627341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 997458.
The product of its digits is 24192, while the sum is 35.
The square root of 138627341 is about 11774.0112536043. The cubic root of 138627341 is about 517.5468040159.
The spelling of 138627341 in words is "one hundred thirty-eight million, six hundred twenty-seven thousand, three hundred forty-one".
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