Base | Representation |
---|---|
bin | 1001100110111… |
… | …1101000100101 |
3 | 2210211121111221 |
4 | 2121233220211 |
5 | 40304200031 |
6 | 3555500341 |
7 | 666366604 |
oct | 231575045 |
9 | 83747457 |
10 | 40303141 |
11 | 2082838a |
12 | 115b76b1 |
13 | 8471818 |
14 | 54d1a3b |
15 | 3811a11 |
hex | 266fa25 |
40303141 has 8 divisors (see below), whose sum is σ = 43098264. Its totient is φ = 37555200.
The previous prime is 40303139. The next prime is 40303157. The reversal of 40303141 is 14130304.
It can be written as a sum of positive squares in 4 ways, for example, as 34281025 + 6022116 = 5855^2 + 2454^2 .
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 40303141 - 21 = 40303139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40303171) 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, 10020 + ... + 13453.
It is an arithmetic number, because the mean of its divisors is an integer number (5387283).
Almost surely, 240303141 is an apocalyptic number.
It is an amenable number.
40303141 is a deficient number, since it is larger than the sum of its proper divisors (2795123).
40303141 is a wasteful number, since it uses less digits than its factorization.
40303141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23591.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 40303141 is about 6348.4754862880. The cubic root of 40303141 is about 342.8569557125.
Adding to 40303141 its reverse (14130304), we get a palindrome (54433445).
The spelling of 40303141 in words is "forty million, three hundred three thousand, one hundred forty-one".
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