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671031473 = 795861639
BaseRepresentation
bin100111111111110…
…010000010110001
31201202122221010112
4213333302002301
52333241001343
6150330311105
722425446660
oct4777620261
91652587115
10671031473
11314863972
12168888495
13a9038a58
1465196dd7
153dd9e218
hex27ff20b1

671031473 has 4 divisors (see below), whose sum is σ = 766893120. Its totient is φ = 575169828.

The previous prime is 671031421. The next prime is 671031481. The reversal of 671031473 is 374130176.

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 not a de Polignac number, because 671031473 - 212 = 671027377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671030473) 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 3 ways as a sum of consecutive naturals, for example, 47930813 + ... + 47930826.

It is an arithmetic number, because the mean of its divisors is an integer number (191723280).

Almost surely, 2671031473 is an apocalyptic number.

It is an amenable number.

671031473 is a deficient number, since it is larger than the sum of its proper divisors (95861647).

671031473 is an equidigital number, since it uses as much as digits as its factorization.

671031473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95861646.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 671031473 is about 25904.2751876983. The cubic root of 671031473 is about 875.4828238152.

It can be divided in two parts, 6710 and 31473, that added together give a palindrome (38183).

The spelling of 671031473 in words is "six hundred seventy-one million, thirty-one thousand, four hundred seventy-three".

Divisors: 1 7 95861639 671031473