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189482953 = 1119906617
BaseRepresentation
bin10110100101101…
…00011111001001
3111012112201202011
423102310133021
5342001423303
630445135521
74460402302
oct1322643711
9435481664
10189482953
1197a5a390
125355a5a1
13303442ba
141b2457a9
151197d16d
hexb4b47c9

189482953 has 8 divisors (see below), whose sum is σ = 217588320. Its totient is φ = 163190880.

The previous prime is 189482911. The next prime is 189482959. The reversal of 189482953 is 359284981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-189482953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189482897 and 189482906.

It is not an unprimeable number, because it can be changed into a prime (189482959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453100 + ... + 453517.

It is an arithmetic number, because the mean of its divisors is an integer number (27198540).

Almost surely, 2189482953 is an apocalyptic number.

It is an amenable number.

189482953 is a deficient number, since it is larger than the sum of its proper divisors (28105367).

189482953 is a wasteful number, since it uses less digits than its factorization.

189482953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906647.

The product of its digits is 622080, while the sum is 49.

The square root of 189482953 is about 13765.2807090884. The cubic root of 189482953 is about 574.3677516873.

The spelling of 189482953 in words is "one hundred eighty-nine million, four hundred eighty-two thousand, nine hundred fifty-three".

Divisors: 1 11 19 209 906617 9972787 17225723 189482953