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326872 = 23713449
BaseRepresentation
bin1001111110011011000
3121121101101
41033303120
540424442
611001144
72530660
oct1176330
9547341
10326872
11203647
121391b4
13b5a20
14871a0
1566cb7
hex4fcd8

326872 has 32 divisors (see below), whose sum is σ = 756000. Its totient is φ = 129024.

The previous prime is 326869. The next prime is 326873. The reversal of 326872 is 278623.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 310 + 210 + 84 + 63 + 73 + 218 .

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 326872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 952.

It is an arithmetic number, because the mean of its divisors is an integer number (23625).

2326872 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 326872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378000).

326872 is an abundant number, since it is smaller than the sum of its proper divisors (429128).

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

326872 is a wasteful number, since it uses less digits than its factorization.

326872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 471 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 326872 is about 571.7272076786. The cubic root of 326872 is about 68.8851973202.

The spelling of 326872 in words is "three hundred twenty-six thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 449 728 898 1796 3143 3592 5837 6286 11674 12572 23348 25144 40859 46696 81718 163436 326872