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972192373 is a prime number
BaseRepresentation
bin111001111100100…
…111101001110101
32111202100111012221
4321330213221311
53442340123443
6240245242341
733043333045
oct7174475165
92452314187
10972192373
11459860579
122317033b1
13126552079
149318d725
155a53beed
hex39f27a75

972192373 has 2 divisors, whose sum is σ = 972192374. Its totient is φ = 972192372.

The previous prime is 972192349. The next prime is 972192503. The reversal of 972192373 is 373291279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 894787569 + 77404804 = 29913^2 + 8798^2 .

It is an emirp because it is prime and its reverse (373291279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 972192373 - 213 = 972184181 is a prime.

It is a super-2 number, since 2×9721923732 = 1890316020238742258, which contains 22 as substring.

It is equal to p49504795 and since 972192373 and 49504795 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972192343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486096186 + 486096187.

It is an arithmetic number, because the mean of its divisors is an integer number (486096187).

Almost surely, 2972192373 is an apocalyptic number.

It is an amenable number.

972192373 is a deficient number, since it is larger than the sum of its proper divisors (1).

972192373 is an equidigital number, since it uses as much as digits as its factorization.

972192373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 972192373 is about 31179.9995670301. Note that the first 3 decimals coincide. The cubic root of 972192373 is about 990.6435203217.

The spelling of 972192373 in words is "nine hundred seventy-two million, one hundred ninety-two thousand, three hundred seventy-three".