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1790233 is a prime number
BaseRepresentation
bin110110101000100011001
310100221201221
412311010121
5424241413
6102212041
721134224
oct6650431
93327657
101790233
111013035
12724021
134a8b13
143485bb
1525568d
hex1b5119

1790233 has 2 divisors, whose sum is σ = 1790234. Its totient is φ = 1790232.

The previous prime is 1790231. The next prime is 1790263. The reversal of 1790233 is 3320971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 451584 = 1157^2 + 672^2 .

It is an emirp because it is prime and its reverse (3320971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1790233 - 21 = 1790231 is a prime.

It is a super-3 number, since 3×17902333 = 17212736872333738011, which contains 333 as substring.

Together with 1790231, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1790198 and 1790207.

It is not a weakly prime, because it can be changed into another prime (1790231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895116 + 895117.

It is an arithmetic number, because the mean of its divisors is an integer number (895117).

21790233 is an apocalyptic number.

It is an amenable number.

1790233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1790233 is an equidigital number, since it uses as much as digits as its factorization.

1790233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1790233 is about 1337.9958893808. The cubic root of 1790233 is about 121.4236227346.

The spelling of 1790233 in words is "one million, seven hundred ninety thousand, two hundred thirty-three".