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682145377 = 838218619
BaseRepresentation
bin101000101010001…
…011011001100001
31202112120120112121
4220222023121201
52344112123002
6151404424241
722622066014
oct5052133141
91675516477
10682145377
11320064a11
12170548081
13ab42a624
146684b37b
153ed47237
hex28a8b661

682145377 has 4 divisors (see below), whose sum is σ = 690364080. Its totient is φ = 673926676.

The previous prime is 682145363. The next prime is 682145381. The reversal of 682145377 is 773541286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-682145377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682115377) 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 3 ways as a sum of consecutive naturals, for example, 4109227 + ... + 4109392.

It is an arithmetic number, because the mean of its divisors is an integer number (172591020).

Almost surely, 2682145377 is an apocalyptic number.

It is an amenable number.

682145377 is a deficient number, since it is larger than the sum of its proper divisors (8218703).

682145377 is an equidigital number, since it uses as much as digits as its factorization.

682145377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218702.

The product of its digits is 282240, while the sum is 43.

The square root of 682145377 is about 26117.9129526078. The cubic root of 682145377 is about 880.2897534990.

The spelling of 682145377 in words is "six hundred eighty-two million, one hundred forty-five thousand, three hundred seventy-seven".

Divisors: 1 83 8218619 682145377