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671512703 = 53109116239
BaseRepresentation
bin101000000001100…
…111100001111111
31201210120101020212
4220001213201333
52333401401303
6150344503035
722432522661
oct5001474177
91653511225
10671512703
11315062484
12168a7aa7b
13a9176ac4
1465280531
153de46ad8
hex2806787f

671512703 has 8 divisors (see below), whose sum is σ = 690465600. Its totient is φ = 652792608.

The previous prime is 671512697. The next prime is 671512717. The reversal of 671512703 is 307215176.

671512703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 671512703 - 216 = 671447167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671512703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671512103) 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, 52343 + ... + 63896.

It is an arithmetic number, because the mean of its divisors is an integer number (86308200).

Almost surely, 2671512703 is an apocalyptic number.

671512703 is a deficient number, since it is larger than the sum of its proper divisors (18952897).

671512703 is a wasteful number, since it uses less digits than its factorization.

671512703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116401.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 671512703 is about 25913.5621441746. The cubic root of 671512703 is about 875.6920578788.

Adding to 671512703 its reverse (307215176), we get a palindrome (978727879).

The spelling of 671512703 in words is "six hundred seventy-one million, five hundred twelve thousand, seven hundred three".

Divisors: 1 53 109 5777 116239 6160667 12670051 671512703