Base | Representation |
---|---|
bin | 1001100100010… |
… | …1011001010011 |
3 | 2210111211012011 |
4 | 2121011121103 |
5 | 40233131011 |
6 | 3552043351 |
7 | 665046316 |
oct | 231053123 |
9 | 83454164 |
10 | 40130131 |
11 | 2071a3a8 |
12 | 11533557 |
13 | 8410b52 |
14 | 548897d |
15 | 37ca621 |
hex | 2645653 |
40130131 has 8 divisors (see below), whose sum is σ = 40966128. Its totient is φ = 39300000.
The previous prime is 40130117. The next prime is 40130143. The reversal of 40130131 is 13103104.
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 40130131 - 27 = 40130003 is a prime.
It is a super-2 number, since 2×401301312 = 3220854828154322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (40130231) 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, 14001 + ... + 16621.
It is an arithmetic number, because the mean of its divisors is an integer number (5120766).
Almost surely, 240130131 is an apocalyptic number.
40130131 is a deficient number, since it is larger than the sum of its proper divisors (835997).
40130131 is a wasteful number, since it uses less digits than its factorization.
40130131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2933.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 40130131 is about 6334.8347255473. The cubic root of 40130131 is about 342.3656560152.
Adding to 40130131 its reverse (13103104), we get a palindrome (53233235).
The spelling of 40130131 in words is "forty million, one hundred thirty thousand, one hundred thirty-one".
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