Base | Representation |
---|---|
bin | 1001100011001… |
… | …0100100010111 |
3 | 2210100220102000 |
4 | 2120302210113 |
5 | 40223144030 |
6 | 3550250343 |
7 | 664305432 |
oct | 230624427 |
9 | 83326360 |
10 | 40053015 |
11 | 20677472 |
12 | 114b69b3 |
13 | 83b4a12 |
14 | 5468819 |
15 | 37b2860 |
hex | 2632917 |
40053015 has 32 divisors (see below), whose sum is σ = 71573760. Its totient is φ = 21251232.
The previous prime is 40052993. The next prime is 40053019. The reversal of 40053015 is 51035004.
It is not a de Polignac number, because 40053015 - 26 = 40052951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40053019) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29992 + ... + 31298.
It is an arithmetic number, because the mean of its divisors is an integer number (2236680).
Almost surely, 240053015 is an apocalyptic number.
40053015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
40053015 is a deficient number, since it is larger than the sum of its proper divisors (31520745).
40053015 is a wasteful number, since it uses less digits than its factorization.
40053015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1548 (or 1542 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 40053015 is about 6328.7451362810. The cubic root of 40053015 is about 342.1462132586.
Adding to 40053015 its reverse (51035004), we get a palindrome (91088019).
The spelling of 40053015 in words is "forty million, fifty-three thousand, fifteen".
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