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675636 = 223136171
BaseRepresentation
bin10100100111100110100
31021022210120
42210330310
5133110021
622251540
75512533
oct2447464
91238716
10675636
11421685
12286bb0
131a86b0
1413831a
15d52c6
hexa4f34

675636 has 48 divisors (see below), whose sum is σ = 1749888. Its totient is φ = 201600.

The previous prime is 675629. The next prime is 675643. The reversal of 675636 is 636576.

675636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (675629) and next prime (675643).

It is a junction number, because it is equal to n+sod(n) for n = 675597 and 675606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9481 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (36456).

2675636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874944).

675636 is an abundant number, since it is smaller than the sum of its proper divisors (1074252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675636 is a wasteful number, since it uses less digits than its factorization.

675636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 150 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 675636 is about 821.9708024012. The cubic root of 675636 is about 87.7480742428.

Subtracting from 675636 its reverse (636576), we obtain a triangular number (39060 = T279).

The spelling of 675636 in words is "six hundred seventy-five thousand, six hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 61 71 78 122 142 156 183 213 244 284 366 426 732 793 852 923 1586 1846 2379 2769 3172 3692 4331 4758 5538 8662 9516 11076 12993 17324 25986 51972 56303 112606 168909 225212 337818 675636