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671471037 = 32556913397
BaseRepresentation
bin101000000001011…
…101010110111101
31201210111021002200
4220001131112331
52333344033122
6150343542113
722432260336
oct5001352675
91653437080
10671471037
11315034146
12168a5a939
13a9160b53
146526d28d
153de395ac
hex2805d5bd

671471037 has 12 divisors (see below), whose sum is σ = 970149180. Its totient is φ = 447533568.

The previous prime is 671471029. The next prime is 671471041. The reversal of 671471037 is 730174176.

671471037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63059481 + 608411556 = 7941^2 + 24666^2 .

It is not a de Polignac number, because 671471037 - 23 = 671471029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671470992 and 671471010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671471027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43423 + ... + 56819.

It is an arithmetic number, because the mean of its divisors is an integer number (80845765).

Almost surely, 2671471037 is an apocalyptic number.

It is an amenable number.

671471037 is a deficient number, since it is larger than the sum of its proper divisors (298678143).

671471037 is a wasteful number, since it uses less digits than its factorization.

671471037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18972 (or 18969 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 671471037 is about 25912.7581897412. The cubic root of 671471037 is about 875.6739458660.

The spelling of 671471037 in words is "six hundred seventy-one million, four hundred seventy-one thousand, thirty-seven".

Divisors: 1 3 9 5569 13397 16707 40191 50121 120573 74607893 223823679 671471037