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382984889 = 789614743
BaseRepresentation
bin10110110100111…
…110001010111001
3222200122122111112
4112310332022321
51241021004024
6102000410105
712330214010
oct2664761271
9880578445
10382984889
11187204241
12a8316935
13614649a1
1438c15a77
152395200e
hex16d3e2b9

382984889 has 8 divisors (see below), whose sum is σ = 442615680. Its totient is φ = 324583776.

The previous prime is 382984807. The next prime is 382984897. The reversal of 382984889 is 988489283.

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-382984889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382984289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306749 + ... + 307994.

It is an arithmetic number, because the mean of its divisors is an integer number (55326960).

Almost surely, 2382984889 is an apocalyptic number.

It is an amenable number.

382984889 is a deficient number, since it is larger than the sum of its proper divisors (59630791).

382984889 is an equidigital number, since it uses as much as digits as its factorization.

382984889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614839.

The product of its digits is 7962624, while the sum is 59.

The square root of 382984889 is about 19569.9997189576. Note that the first 3 decimals coincide. The cubic root of 382984889 is about 726.2071930751.

The spelling of 382984889 in words is "three hundred eighty-two million, nine hundred eighty-four thousand, eight hundred eighty-nine".

Divisors: 1 7 89 623 614743 4303201 54712127 382984889