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671000001 = 3731952381
BaseRepresentation
bin100111111111101…
…010010111000001
31201202121022221220
4213333222113001
52333234000001
6150325505253
722425256140
oct4777522701
91652538856
10671000001
11314842261
12168872229
13a9027629
1465189757
153dd94c36
hex27fea5c1

671000001 has 8 divisors (see below), whose sum is σ = 1022476224. Its totient is φ = 383428560.

The previous prime is 670999963. The next prime is 671000003. The reversal of 671000001 is 100000176.

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

It is not a de Polignac number, because 671000001 - 27 = 670999873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671000003) 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, 15976170 + ... + 15976211.

It is an arithmetic number, because the mean of its divisors is an integer number (127809528).

Almost surely, 2671000001 is an apocalyptic number.

It is an amenable number.

671000001 is a deficient number, since it is larger than the sum of its proper divisors (351476223).

671000001 is a wasteful number, since it uses less digits than its factorization.

671000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31952391.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 671000001 is about 25903.6677132795. The cubic root of 671000001 is about 875.4691366151.

Adding to 671000001 its reverse (100000176), we get a palindrome (771000177).

The spelling of 671000001 in words is "six hundred seventy-one million, one", and thus it is an aban number.

Divisors: 1 3 7 21 31952381 95857143 223666667 671000001