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328280256 = 2633189977
BaseRepresentation
bin10011100100010…
…010100011000000
3211212201100212000
4103210102203000
51133014432011
652324104000
711064223203
oct2344224300
9755640760
10328280256
1115933a8a7
1291b35000
1353020095
143185593a
151dc48356
hex139128c0

328280256 has 56 divisors (see below), whose sum is σ = 965088240. Its totient is φ = 109426176.

The previous prime is 328280237. The next prime is 328280257. The reversal of 328280256 is 652082823.

328280256 is a `hidden beast` number, since 328 + 2 + 80 + 256 = 666.

328280256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 328280256.

It is not an unprimeable number, because it can be changed into a prime (328280257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93261 + ... + 96716.

Almost surely, 2328280256 is an apocalyptic number.

328280256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

328280256 is an abundant number, since it is smaller than the sum of its proper divisors (636807984).

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

328280256 is a wasteful number, since it uses less digits than its factorization.

328280256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189998 (or 189982 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 328280256 is about 18118.5058986661. The cubic root of 328280256 is about 689.8398115853.

It can be divided in two parts, 3282 and 80256, that added together give a palindrome (83538).

The spelling of 328280256 in words is "three hundred twenty-eight million, two hundred eighty thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 189977 379954 569931 759908 1139862 1519816 1709793 2279724 3039632 3419586 4559448 5129379 6079264 6839172 9118896 10258758 12158528 13678344 18237792 20517516 27356688 36475584 41035032 54713376 82070064 109426752 164140128 328280256