Base | Representation |
---|---|
bin | 1001100010101… |
… | …1100001001101 |
3 | 2210022102210121 |
4 | 2120223201031 |
5 | 40221233031 |
6 | 3545504541 |
7 | 664125313 |
oct | 230534115 |
9 | 83272717 |
10 | 40024141 |
11 | 20657803 |
12 | 114a2151 |
13 | 83a4831 |
14 | 545c0b3 |
15 | 37a9011 |
hex | 262b84d |
40024141 has 4 divisors (see below), whose sum is σ = 40046272. Its totient is φ = 40002012.
The previous prime is 40024133. The next prime is 40024151. The reversal of 40024141 is 14142004.
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.
It is a cyclic number.
It is not a de Polignac number, because 40024141 - 23 = 40024133 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 (40024151) 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, 8085 + ... + 12058.
It is an arithmetic number, because the mean of its divisors is an integer number (10011568).
Almost surely, 240024141 is an apocalyptic number.
It is an amenable number.
40024141 is a deficient number, since it is larger than the sum of its proper divisors (22131).
40024141 is a wasteful number, since it uses less digits than its factorization.
40024141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22130.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 40024141 is about 6326.4635460896. The cubic root of 40024141 is about 342.0639763812.
Adding to 40024141 its reverse (14142004), we get a palindrome (54166145).
The spelling of 40024141 in words is "forty million, twenty-four thousand, one hundred forty-one".
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