Base | Representation |
---|---|
bin | 1001100101011… |
… | …0011111011101 |
3 | 2210122101020201 |
4 | 2121112133131 |
5 | 40242401112 |
6 | 3553343501 |
7 | 665460424 |
oct | 231263735 |
9 | 83571221 |
10 | 40200157 |
11 | 20767a78 |
12 | 11567b91 |
13 | 843699a |
14 | 54a62bb |
15 | 37e1257 |
hex | 26567dd |
40200157 has 2 divisors, whose sum is σ = 40200158. Its totient is φ = 40200156.
The previous prime is 40200133. The next prime is 40200161. The reversal of 40200157 is 75100204.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 32421636 + 7778521 = 5694^2 + 2789^2 .
It is a cyclic number.
It is not a de Polignac number, because 40200157 - 215 = 40167389 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40200107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20100078 + 20100079.
It is an arithmetic number, because the mean of its divisors is an integer number (20100079).
Almost surely, 240200157 is an apocalyptic number.
It is an amenable number.
40200157 is a deficient number, since it is larger than the sum of its proper divisors (1).
40200157 is an equidigital number, since it uses as much as digits as its factorization.
40200157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 280, while the sum is 19.
The square root of 40200157 is about 6340.3593746727. The cubic root of 40200157 is about 342.5646799188.
The spelling of 40200157 in words is "forty million, two hundred thousand, one hundred fifty-seven".
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