Search a number
-
+
671013 = 32710651
BaseRepresentation
bin10100011110100100101
31021002110100
42203310211
5132433023
622214313
75463210
oct2436445
91232410
10671013
11419162
12284399
131a6565
14136777
15d3c43
hexa3d25

671013 has 12 divisors (see below), whose sum is σ = 1107808. Its totient is φ = 383400.

The previous prime is 671003. The next prime is 671017. The reversal of 671013 is 310176.

671013 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 671013 - 210 = 669989 is a prime.

It is a Duffinian number.

671013 is strictly pandigital in base 7.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671017) 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, 5263 + ... + 5388.

2671013 is an apocalyptic number.

671013 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

671013 is a deficient number, since it is larger than the sum of its proper divisors (436795).

671013 is a wasteful number, since it uses less digits than its factorization.

671013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10664 (or 10661 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 671013 is about 819.1538317068. The cubic root of 671013 is about 87.5474789943.

Adding to 671013 its reverse (310176), we get a palindrome (981189).

The spelling of 671013 in words is "six hundred seventy-one thousand, thirteen".

Divisors: 1 3 7 9 21 63 10651 31953 74557 95859 223671 671013