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288292 = 2272073
BaseRepresentation
bin1000110011000100100
3112122110111
41012120210
533211132
610102404
72310334
oct1063044
9478414
10288292
11187664
1211aa04
13a12b4
14770c4
155a647
hex46624

288292 has 6 divisors (see below), whose sum is σ = 504518. Its totient is φ = 144144.

The previous prime is 288283. The next prime is 288293. The reversal of 288292 is 292882.

It can be written as a sum of positive squares in only one way, i.e., 285156 + 3136 = 534^2 + 56^2 .

It is a super-2 number, since 2×2882922 = 166224554528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (288293) by changing a digit.

288292 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 as a sum of consecutive naturals, namely, 36033 + ... + 36040.

2288292 is an apocalyptic number.

It is an amenable number.

288292 is a deficient number, since it is larger than the sum of its proper divisors (216226).

288292 is a wasteful number, since it uses less digits than its factorization.

288292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72077 (or 72075 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 288292 is about 536.9283006138. The cubic root of 288292 is about 66.0608560216.

The spelling of 288292 in words is "two hundred eighty-eight thousand, two hundred ninety-two".

Divisors: 1 2 4 72073 144146 288292