Base | Representation |
---|---|
bin | 1010000110001… |
… | …1100110111101 |
3 | 2221200122200221 |
4 | 2201203212331 |
5 | 41320213122 |
6 | 4111421341 |
7 | 1022656261 |
oct | 241434675 |
9 | 87618627 |
10 | 42351037 |
11 | 219a6a63 |
12 | 12224851 |
13 | 8a0a9b1 |
14 | 58a60a1 |
15 | 3ab86c7 |
hex | 28639bd |
42351037 has 2 divisors, whose sum is σ = 42351038. Its totient is φ = 42351036.
The previous prime is 42351013. The next prime is 42351041. The reversal of 42351037 is 73015324.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 38266596 + 4084441 = 6186^2 + 2021^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42351037 is a prime.
It is a super-2 number, since 2×423510372 = 3587220669950738, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42351007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175518 + 21175519.
It is an arithmetic number, because the mean of its divisors is an integer number (21175519).
Almost surely, 242351037 is an apocalyptic number.
It is an amenable number.
42351037 is a deficient number, since it is larger than the sum of its proper divisors (1).
42351037 is an equidigital number, since it uses as much as digits as its factorization.
42351037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 42351037 is about 6507.7674359184. The cubic root of 42351037 is about 348.5684026929.
The spelling of 42351037 in words is "forty-two million, three hundred fifty-one thousand, thirty-seven".
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