Base | Representation |
---|---|
bin | 1001100011010… |
… | …1010011110001 |
3 | 2210101110210210 |
4 | 2120311103301 |
5 | 40224023431 |
6 | 3550414333 |
7 | 664353240 |
oct | 230652361 |
9 | 83343723 |
10 | 40064241 |
11 | 20684948 |
12 | 115013a9 |
13 | 83b9b69 |
14 | 546c957 |
15 | 37b5d46 |
hex | 26354f1 |
40064241 has 16 divisors (see below), whose sum is σ = 61138944. Its totient is φ = 22860624.
The previous prime is 40064239. The next prime is 40064249. The reversal of 40064241 is 14246004.
40064241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 40064241 - 21 = 40064239 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (40064249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26200 + ... + 27686.
It is an arithmetic number, because the mean of its divisors is an integer number (3821184).
Almost surely, 240064241 is an apocalyptic number.
It is an amenable number.
40064241 is a deficient number, since it is larger than the sum of its proper divisors (21074703).
40064241 is a wasteful number, since it uses less digits than its factorization.
40064241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2780.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 40064241 is about 6329.6319798232. The cubic root of 40064241 is about 342.1781756847.
The spelling of 40064241 in words is "forty million, sixty-four thousand, two hundred forty-one".
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