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3287328 = 253112283
BaseRepresentation
bin1100100010100100100000
320012000100220
430202210200
51320143303
6154243040
736641022
oct14424440
96160326
103287328
111945900
121126480
138b1385
14618012
1544e053
hex322920

3287328 has 72 divisors (see below), whose sum is σ = 9518544. Its totient is φ = 992640.

The previous prime is 3287327. The next prime is 3287329. The reversal of 3287328 is 8237823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3287327) and next prime (3287329).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3287327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11475 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (132202).

Almost surely, 23287328 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 3287328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4759272).

3287328 is an abundant number, since it is smaller than the sum of its proper divisors (6231216).

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

3287328 is a wasteful number, since it uses less digits than its factorization.

3287328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 299 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 3287328 is about 1813.0990044672. The cubic root of 3287328 is about 148.6897437370.

The spelling of 3287328 in words is "three million, two hundred eighty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 121 132 176 242 264 283 352 363 484 528 566 726 849 968 1056 1132 1452 1698 1936 2264 2904 3113 3396 3872 4528 5808 6226 6792 9056 9339 11616 12452 13584 18678 24904 27168 34243 37356 49808 68486 74712 99616 102729 136972 149424 205458 273944 298848 410916 547888 821832 1095776 1643664 3287328