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193025869 is a prime number
BaseRepresentation
bin10111000000101…
…01011101001101
3111110012201201021
423200111131031
5343403311434
631053114141
74532456431
oct1340253515
9443181637
10193025869
1199a5a213
1254788951
1330cb4aba
141b8c89c1
1511e2ccb4
hexb81574d

193025869 has 2 divisors, whose sum is σ = 193025870. Its totient is φ = 193025868.

The previous prime is 193025863. The next prime is 193025873. The reversal of 193025869 is 968520391.

It is a happy number.

193025869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186650244 + 6375625 = 13662^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 193025869 - 217 = 192894797 is a prime.

It is a super-2 number, since 2×1930258692 = 74517972206410322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193025863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96512934 + 96512935.

It is an arithmetic number, because the mean of its divisors is an integer number (96512935).

Almost surely, 2193025869 is an apocalyptic number.

It is an amenable number.

193025869 is a deficient number, since it is larger than the sum of its proper divisors (1).

193025869 is an equidigital number, since it uses as much as digits as its factorization.

193025869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 193025869 is about 13893.3750039362. The cubic root of 193025869 is about 577.9254751997.

The spelling of 193025869 in words is "one hundred ninety-three million, twenty-five thousand, eight hundred sixty-nine".