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288968 = 2341881
BaseRepresentation
bin1000110100011001000
3112200101112
41012203020
533221333
610105452
72312321
oct1064310
9480345
10288968
11188119
1211b288
13a16b4
1477448
155a948
hex468c8

288968 has 16 divisors (see below), whose sum is σ = 555660. Its totient is φ = 140800.

The previous prime is 288947. The next prime is 288973. The reversal of 288968 is 869882.

288968 = T182 + T183 + ... + T197.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 56644 = 482^2 + 238^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable 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, 113 + ... + 768.

2288968 is an apocalyptic number.

It is an amenable number.

288968 is a deficient number, since it is larger than the sum of its proper divisors (266692).

288968 is a wasteful number, since it uses less digits than its factorization.

288968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 924 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 288968 is about 537.5574387914. The cubic root of 288968 is about 66.1124498679.

It can be divided in two parts, 288 and 968, that multiplied together give a square (278784 = 5282).

The spelling of 288968 in words is "two hundred eighty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 41 82 164 328 881 1762 3524 7048 36121 72242 144484 288968