Base | Representation |
---|---|
bin | 10111111010001… |
… | …100001111000101 |
3 | 1000221210112111212 |
4 | 113322030033011 |
5 | 1310142133222 |
6 | 103445341205 |
7 | 12640360331 |
oct | 2772141705 |
9 | 1027715455 |
10 | 401130437 |
11 | 196478264 |
12 | b2407805 |
13 | 65148cb6 |
14 | 3b3ba7c1 |
15 | 253386e2 |
hex | 17e8c3c5 |
401130437 has 2 divisors, whose sum is σ = 401130438. Its totient is φ = 401130436.
The previous prime is 401130427. The next prime is 401130473. The reversal of 401130437 is 734031104.
Together with next prime (401130473) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 215326276 + 185804161 = 14674^2 + 13631^2 .
It is a cyclic number.
It is not a de Polignac number, because 401130437 - 220 = 400081861 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (401130427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200565218 + 200565219.
It is an arithmetic number, because the mean of its divisors is an integer number (200565219).
Almost surely, 2401130437 is an apocalyptic number.
It is an amenable number.
401130437 is a deficient number, since it is larger than the sum of its proper divisors (1).
401130437 is an equidigital number, since it uses as much as digits as its factorization.
401130437 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 401130437 is about 20028.2409861675. The cubic root of 401130437 is about 737.4997411471.
The spelling of 401130437 in words is "four hundred one million, one hundred thirty thousand, four hundred thirty-seven".
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