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288964 = 22135557
BaseRepresentation
bin1000110100011000100
3112200101101
41012203010
533221324
610105444
72312314
oct1064304
9480341
10288964
11188115
1211b284
13a16b0
1477444
155a944
hex468c4

288964 has 12 divisors (see below), whose sum is σ = 544684. Its totient is φ = 133344.

The previous prime is 288947. The next prime is 288973. The reversal of 288964 is 469882.

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 122500 = 408^2 + 350^2 .

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is an unprimeable number.

288964 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 2727 + ... + 2830.

2288964 is an apocalyptic number.

It is an amenable number.

288964 is a deficient number, since it is larger than the sum of its proper divisors (255720).

288964 is a wasteful number, since it uses less digits than its factorization.

288964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5572 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 288964 is about 537.5537182459. The cubic root of 288964 is about 66.1121448156.

It can be divided in two parts, 28896 and 4, that added together give a square (28900 = 1702).

The spelling of 288964 in words is "two hundred eighty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 13 26 52 5557 11114 22228 72241 144482 288964