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42200999 is a prime number
BaseRepresentation
bin1010000011111…
…0111110100111
32221102000212222
42200332332213
541300412444
64104302555
71021462661
oct240767647
987360788
1042200999
1121904265
1212171a5b
138987609
145867531
153a88eee
hex283efa7

42200999 has 2 divisors, whose sum is σ = 42201000. Its totient is φ = 42200998.

The previous prime is 42200981. The next prime is 42201007. The reversal of 42200999 is 99900224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42200999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42200969) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100499 + 21100500.

It is an arithmetic number, because the mean of its divisors is an integer number (21100500).

Almost surely, 242200999 is an apocalyptic number.

42200999 is a deficient number, since it is larger than the sum of its proper divisors (1).

42200999 is an equidigital number, since it uses as much as digits as its factorization.

42200999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 42200999 is about 6496.2295987750. The cubic root of 42200999 is about 348.1562885215.

The spelling of 42200999 in words is "forty-two million, two hundred thousand, nine hundred ninety-nine".