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8483428387 = 71211918341
BaseRepresentation
bin1111110011010011…
…01101100000100011
3210220020001210222101
413321221231200203
5114333224202022
63521445151231
7420140644240
oct77151554043
923806053871
108483428387
113663746345
1217890bb517
13a52745415
145a69885c7
15349b8d627
hex1f9a6d823

8483428387 has 4 divisors (see below), whose sum is σ = 9695346736. Its totient is φ = 7271510040.

The previous prime is 8483428379. The next prime is 8483428439. The reversal of 8483428387 is 7838243848.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8483428387 - 23 = 8483428379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8483428787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605959164 + ... + 605959177.

It is an arithmetic number, because the mean of its divisors is an integer number (2423836684).

Almost surely, 28483428387 is an apocalyptic number.

8483428387 is a deficient number, since it is larger than the sum of its proper divisors (1211918349).

8483428387 is a wasteful number, since it uses less digits than its factorization.

8483428387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211918348.

The product of its digits is 8257536, while the sum is 55.

The square root of 8483428387 is about 92105.5285365651. The cubic root of 8483428387 is about 2039.5004212884.

The spelling of 8483428387 in words is "eight billion, four hundred eighty-three million, four hundred twenty-eight thousand, three hundred eighty-seven".

Divisors: 1 7 1211918341 8483428387