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40122437 is a prime number
BaseRepresentation
bin1001100100001…
…1100001000101
32210111102122012
42121003201011
540232404222
63551544005
7665015015
oct231034105
983442565
1040122437
1120714643
121152b005
13840a4b4
145485c45
1537c81e2
hex2643845

40122437 has 2 divisors, whose sum is σ = 40122438. Its totient is φ = 40122436.

The previous prime is 40122413. The next prime is 40122461. The reversal of 40122437 is 73422104.

It is a balanced prime because it is at equal distance from previous prime (40122413) and next prime (40122461).

It can be written as a sum of positive squares in only one way, i.e., 36554116 + 3568321 = 6046^2 + 1889^2 .

It is a cyclic number.

It is not a de Polignac number, because 40122437 - 212 = 40118341 is a prime.

It is a Chen prime.

It is equal to p2440670 and since 40122437 and 2440670 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40122487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20061218 + 20061219.

It is an arithmetic number, because the mean of its divisors is an integer number (20061219).

Almost surely, 240122437 is an apocalyptic number.

It is an amenable number.

40122437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40122437 is an equidigital number, since it uses as much as digits as its factorization.

40122437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40122437 is about 6334.2274193464. The cubic root of 40122437 is about 342.3437744542.

The spelling of 40122437 in words is "forty million, one hundred twenty-two thousand, four hundred thirty-seven".