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388266 = 23163397
BaseRepresentation
bin1011110110010101010
3201201121020
41132302222
544411031
612153310
73204654
oct1366252
9651536
10388266
1124578a
12168836
13107958
14a16d4
157a096
hex5ecaa

388266 has 16 divisors (see below), whose sum is σ = 783264. Its totient is φ = 128304.

The previous prime is 388259. The next prime is 388273. The reversal of 388266 is 662883.

388266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (388259) and next prime (388273).

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (48954).

2388266 is an apocalyptic number.

388266 is an abundant number, since it is smaller than the sum of its proper divisors (394998).

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

388266 is a wasteful number, since it uses less digits than its factorization.

388266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 13824, while the sum is 33.

The square root of 388266 is about 623.1099421450. The cubic root of 388266 is about 72.9529940709.

The spelling of 388266 in words is "three hundred eighty-eight thousand, two hundred sixty-six".

Divisors: 1 2 3 6 163 326 397 489 794 978 1191 2382 64711 129422 194133 388266