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72225343 is a prime number
BaseRepresentation
bin1000100111000…
…01001000111111
312000220102112201
410103201020333
5121442202333
611100012331
71534622341
oct423411077
9160812481
1072225343
1137850a73
12202310a7
1311c6a6b8
149841291
15651a17d
hex44e123f

72225343 has 2 divisors, whose sum is σ = 72225344. Its totient is φ = 72225342.

The previous prime is 72225311. The next prime is 72225407. The reversal of 72225343 is 34352227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72225343 - 25 = 72225311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72225143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36112671 + 36112672.

It is an arithmetic number, because the mean of its divisors is an integer number (36112672).

Almost surely, 272225343 is an apocalyptic number.

72225343 is a deficient number, since it is larger than the sum of its proper divisors (1).

72225343 is an equidigital number, since it uses as much as digits as its factorization.

72225343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 28.

The square root of 72225343 is about 8498.5494644675. The cubic root of 72225343 is about 416.4503240273.

The spelling of 72225343 in words is "seventy-two million, two hundred twenty-five thousand, three hundred forty-three".