Base | Representation |
---|---|
bin | 1001100100010… |
… | …1011101100001 |
3 | 2210111211120011 |
4 | 2121011131201 |
5 | 40233133101 |
6 | 3552044521 |
7 | 665050153 |
oct | 231053541 |
9 | 83454504 |
10 | 40130401 |
11 | 2071a623 |
12 | 11533741 |
13 | 8410ccc |
14 | 5488ad3 |
15 | 37ca751 |
hex | 2645761 |
40130401 has 2 divisors, whose sum is σ = 40130402. Its totient is φ = 40130400.
The previous prime is 40130383. The next prime is 40130429. The reversal of 40130401 is 10403104.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 31136400 + 8994001 = 5580^2 + 2999^2 .
It is a cyclic number.
It is not a de Polignac number, because 40130401 - 29 = 40129889 is a prime.
It is a super-2 number, since 2×401304012 = 3220898168841602, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (40130471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065200 + 20065201.
It is an arithmetic number, because the mean of its divisors is an integer number (20065201).
Almost surely, 240130401 is an apocalyptic number.
It is an amenable number.
40130401 is a deficient number, since it is larger than the sum of its proper divisors (1).
40130401 is an equidigital number, since it uses as much as digits as its factorization.
40130401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 40130401 is about 6334.8560362490. The cubic root of 40130401 is about 342.3664238382.
Adding to 40130401 its reverse (10403104), we get a palindrome (50533505).
The spelling of 40130401 in words is "forty million, one hundred thirty thousand, four hundred one".
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