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42200237 is a prime number
BaseRepresentation
bin1010000011111…
…0110010101101
32221101222211202
42200332302231
541300401422
64104255245
71021460522
oct240766255
987358752
1042200237
1121903732
1212171525
138987171
145867149
153a88b92
hex283ecad

42200237 has 2 divisors, whose sum is σ = 42200238. Its totient is φ = 42200236.

The previous prime is 42200203. The next prime is 42200251. The reversal of 42200237 is 73200224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41654116 + 546121 = 6454^2 + 739^2 .

It is a cyclic number.

It is not a de Polignac number, because 42200237 - 220 = 41151661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42200287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100118 + 21100119.

It is an arithmetic number, because the mean of its divisors is an integer number (21100119).

Almost surely, 242200237 is an apocalyptic number.

It is an amenable number.

42200237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42200237 is an equidigital number, since it uses as much as digits as its factorization.

42200237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 42200237 is about 6496.1709491053. The cubic root of 42200237 is about 348.1541930207.

The spelling of 42200237 in words is "forty-two million, two hundred thousand, two hundred thirty-seven".