Base | Representation |
---|---|
bin | 1001100110100… |
… | …0000011101001 |
3 | 2210210000221110 |
4 | 2121220003221 |
5 | 40302201410 |
6 | 3555100533 |
7 | 666210246 |
oct | 231500351 |
9 | 83700843 |
10 | 40272105 |
11 | 20807035 |
12 | 115a1749 |
13 | 8460663 |
14 | 54c45cd |
15 | 3807720 |
hex | 26680e9 |
40272105 has 8 divisors (see below), whose sum is σ = 64435392. Its totient is φ = 21478448.
The previous prime is 40272079. The next prime is 40272137. The reversal of 40272105 is 50127204.
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 40272105 - 26 = 40272041 is a prime.
It is a super-2 number, since 2×402721052 = 3243684882262050, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342389 + ... + 1342418.
It is an arithmetic number, because the mean of its divisors is an integer number (8054424).
Almost surely, 240272105 is an apocalyptic number.
It is an amenable number.
40272105 is a deficient number, since it is larger than the sum of its proper divisors (24163287).
40272105 is a wasteful number, since it uses less digits than its factorization.
40272105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2684815.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 40272105 is about 6346.0306491538. The cubic root of 40272105 is about 342.7689258404.
Adding to 40272105 its reverse (50127204), we get a palindrome (90399309).
The spelling of 40272105 in words is "forty million, two hundred seventy-two thousand, one hundred five".
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