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286090 = 2576167
BaseRepresentation
bin1000101110110001010
3112112102221
41011312022
533123330
610044254
72301040
oct1056612
9475387
10286090
11185a42
1211968a
13a02ac
1476390
1559b7a
hex45d8a

286090 has 32 divisors (see below), whose sum is σ = 607104. Its totient is φ = 95040.

The previous prime is 286073. The next prime is 286103. The reversal of 286090 is 90682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4237 + ... + 4303.

It is an arithmetic number, because the mean of its divisors is an integer number (18972).

2286090 is an apocalyptic number.

286090 is an abundant number, since it is smaller than the sum of its proper divisors (321014).

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

286090 is a wasteful number, since it uses less digits than its factorization.

286090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 286090 is about 534.8738168952. The cubic root of 286090 is about 65.8922330683.

The spelling of 286090 in words is "two hundred eighty-six thousand, ninety".

Divisors: 1 2 5 7 10 14 35 61 67 70 122 134 305 335 427 469 610 670 854 938 2135 2345 4087 4270 4690 8174 20435 28609 40870 57218 143045 286090