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72200143 is a prime number
BaseRepresentation
bin1000100110110…
…10111111001111
312000212010222101
410103122333033
5121440401033
611055255531
71534456021
oct423327717
9160763871
1072200143
1137834044
122021a5a7
1311c5c0a2
149836011
15651297d
hex44dafcf

72200143 has 2 divisors, whose sum is σ = 72200144. Its totient is φ = 72200142.

The previous prime is 72200137. The next prime is 72200159. The reversal of 72200143 is 34100227.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72200143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72200143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72200543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36100071 + 36100072.

It is an arithmetic number, because the mean of its divisors is an integer number (36100072).

Almost surely, 272200143 is an apocalyptic number.

72200143 is a deficient number, since it is larger than the sum of its proper divisors (1).

72200143 is an equidigital number, since it uses as much as digits as its factorization.

72200143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 72200143 is about 8497.0667291719. The cubic root of 72200143 is about 416.4018841099.

The spelling of 72200143 in words is "seventy-two million, two hundred thousand, one hundred forty-three".