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189383983 is a prime number
BaseRepresentation
bin10110100100111…
…00010100101111
3111012100200222121
423102130110233
5341440241413
630443053411
74456510615
oct1322342457
9435320877
10189383983
11979a1a98
1253511267
133030b239
141b21b6b5
151195db8d
hexb49c52f

189383983 has 2 divisors, whose sum is σ = 189383984. Its totient is φ = 189383982.

The previous prime is 189383977. The next prime is 189383993. The reversal of 189383983 is 389383981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189383983 - 25 = 189383951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189383983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189383993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94691991 + 94691992.

It is an arithmetic number, because the mean of its divisors is an integer number (94691992).

Almost surely, 2189383983 is an apocalyptic number.

189383983 is a deficient number, since it is larger than the sum of its proper divisors (1).

189383983 is an equidigital number, since it uses as much as digits as its factorization.

189383983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 52.

The square root of 189383983 is about 13761.6853255697. The cubic root of 189383983 is about 574.2677337606.

The spelling of 189383983 in words is "one hundred eighty-nine million, three hundred eighty-three thousand, nine hundred eighty-three".