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288212 = 2272053
BaseRepresentation
bin1000110010111010100
3112122100112
41012113110
533210322
610102152
72310161
oct1062724
9478315
10288212
111875a1
1211a958
13a1252
1477068
155a5e2
hex465d4

288212 has 6 divisors (see below), whose sum is σ = 504378. Its totient is φ = 144104.

The previous prime is 288209. The next prime is 288227. The reversal of 288212 is 212882.

It can be written as a sum of positive squares in only one way, i.e., 188356 + 99856 = 434^2 + 316^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 288212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36023 + ... + 36030.

It is an arithmetic number, because the mean of its divisors is an integer number (84063).

2288212 is an apocalyptic number.

It is an amenable number.

288212 is a deficient number, since it is larger than the sum of its proper divisors (216166).

288212 is a wasteful number, since it uses less digits than its factorization.

288212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72057 (or 72055 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 288212 is about 536.8537976023. The cubic root of 288212 is about 66.0547449058.

The spelling of 288212 in words is "two hundred eighty-eight thousand, two hundred twelve".

Divisors: 1 2 4 72053 144106 288212