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30483189 = 3311197521
BaseRepresentation
bin111010001001…
…0001011110101
32010100201002000
41310102023311
530300430224
63005205513
7520050162
oct164221365
963321060
1030483189
1116230520
12a260899
136413bb9
144097069
152a220c9
hex1d122f5

30483189 has 32 divisors (see below), whose sum is σ = 49610880. Its totient is φ = 18345600.

The previous prime is 30483181. The next prime is 30483209. The reversal of 30483189 is 98138403.

It is not a de Polignac number, because 30483189 - 23 = 30483181 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30483181) 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 in 31 ways as a sum of consecutive naturals, for example, 58249 + ... + 58769.

It is an arithmetic number, because the mean of its divisors is an integer number (1550340).

Almost surely, 230483189 is an apocalyptic number.

It is an amenable number.

30483189 is a deficient number, since it is larger than the sum of its proper divisors (19127691).

30483189 is a wasteful number, since it uses less digits than its factorization.

30483189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 30483189 is about 5521.1583023855. The cubic root of 30483189 is about 312.3825743347.

The spelling of 30483189 in words is "thirty million, four hundred eighty-three thousand, one hundred eighty-nine".

Divisors: 1 3 9 11 27 33 99 197 297 521 591 1563 1773 2167 4689 5319 5731 6501 14067 17193 19503 51579 58509 102637 154737 307911 923733 1129007 2771199 3387021 10161063 30483189