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676169 = 1324001
BaseRepresentation
bin10100101000101001001
31021100112022
42211011021
5133114134
622254225
75514224
oct2450511
91240468
10676169
1142201a
12287375
131a8a00
141385bb
15d552e
hexa5149

676169 has 6 divisors (see below), whose sum is σ = 732366. Its totient is φ = 624000.

The previous prime is 676147. The next prime is 676171. The reversal of 676169 is 961676.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 55225 + 620944 = 235^2 + 788^2 .

It is not a de Polignac number, because 676169 - 212 = 672073 is a prime.

It is a super-2 number, since 2×6761692 = 914409033122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1832 + ... + 2169.

It is an arithmetic number, because the mean of its divisors is an integer number (122061).

2676169 is an apocalyptic number.

It is an amenable number.

676169 is a deficient number, since it is larger than the sum of its proper divisors (56197).

676169 is a wasteful number, since it uses less digits than its factorization.

676169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027 (or 4014 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 676169 is about 822.2949592452. The cubic root of 676169 is about 87.7711425964.

It can be divided in two parts, 676 and 169, that multiplied together give a square (114244 = 3382).

The spelling of 676169 in words is "six hundred seventy-six thousand, one hundred sixty-nine".

Divisors: 1 13 169 4001 52013 676169