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1992373 is a prime number
BaseRepresentation
bin111100110011010110101
310202020000121
413212122311
51002223443
6110411541
722635445
oct7463265
93666017
101992373
111140999
12800bb1
13549b26
1439c125
152954ed
hex1e66b5

1992373 has 2 divisors, whose sum is σ = 1992374. Its totient is φ = 1992372.

The previous prime is 1992343. The next prime is 1992407. The reversal of 1992373 is 3732991.

It is an a-pointer prime, because the next prime (1992407) can be obtained adding 1992373 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 786769 = 1098^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992373 - 29 = 1991861 is a prime.

It is a super-4 number, since 4×19923734 (a number of 26 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1992343) 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, 996186 + 996187.

It is an arithmetic number, because the mean of its divisors is an integer number (996187).

21992373 is an apocalyptic number.

It is an amenable number.

1992373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992373 is an equidigital number, since it uses as much as digits as its factorization.

1992373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 34.

The square root of 1992373 is about 1411.5144349244. The cubic root of 1992373 is about 125.8317440067.

The spelling of 1992373 in words is "one million, nine hundred ninety-two thousand, three hundred seventy-three".