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671000939 = 7432229239
BaseRepresentation
bin100111111111101…
…010100101101011
31201202121101020122
4213333222211223
52333234012224
6150325513455
722425261650
oct4777524553
91652541218
10671000939
11314842a34
1216887288b
13a9027b9b
1465189c27
153dd9515e
hex27fea96b

671000939 has 8 divisors (see below), whose sum is σ = 784692480. Its totient is φ = 561767976.

The previous prime is 671000933. The next prime is 671000951. The reversal of 671000939 is 939000176.

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

It is not a de Polignac number, because 671000939 - 28 = 671000683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671000899 and 671000908.

It is not an unprimeable number, because it can be changed into a prime (671000933) 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, 1114319 + ... + 1114920.

It is an arithmetic number, because the mean of its divisors is an integer number (98086560).

Almost surely, 2671000939 is an apocalyptic number.

671000939 is a deficient number, since it is larger than the sum of its proper divisors (113691541).

671000939 is a wasteful number, since it uses less digits than its factorization.

671000939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229289.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 671000939 is about 25903.6858188174. The cubic root of 671000939 is about 875.4695445583.

The spelling of 671000939 in words is "six hundred seventy-one million, nine hundred thirty-nine", and thus it is an aban number.

Divisors: 1 7 43 301 2229239 15604673 95857277 671000939