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42200293 is a prime number
BaseRepresentation
bin1010000011111…
…0110011100101
32221101222220211
42200332303211
541300402133
64104255421
71021460632
oct240766345
987358824
1042200293
1121903783
1212171571
1389871b5
145867189
153a88bcd
hex283ece5

42200293 has 2 divisors, whose sum is σ = 42200294. Its totient is φ = 42200292.

The previous prime is 42200287. The next prime is 42200303. The reversal of 42200293 is 39200224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23251684 + 18948609 = 4822^2 + 4353^2 .

It is a cyclic number.

It is not a de Polignac number, because 42200293 - 217 = 42069221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42200203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100146 + 21100147.

It is an arithmetic number, because the mean of its divisors is an integer number (21100147).

Almost surely, 242200293 is an apocalyptic number.

It is an amenable number.

42200293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42200293 is an equidigital number, since it uses as much as digits as its factorization.

42200293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42200293 is about 6496.1752593353. The cubic root of 42200293 is about 348.1543470216.

The spelling of 42200293 in words is "forty-two million, two hundred thousand, two hundred ninety-three".