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381332 = 22713619
BaseRepresentation
bin1011101000110010100
3201101002102
41131012110
544200312
612101232
73145520
oct1350624
9641072
10381332
11240556
12164818
13104753
149cd80
1577ec2
hex5d194

381332 has 12 divisors (see below), whose sum is σ = 762720. Its totient is φ = 163416.

The previous prime is 381323. The next prime is 381343. The reversal of 381332 is 233183.

381332 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

381332 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

381332 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6782 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (63560).

2381332 is an apocalyptic number.

It is an amenable number.

381332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

381332 is a wasteful number, since it uses less digits than its factorization.

381332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630 (or 13628 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 381332 is about 617.5208498504. The cubic root of 381332 is about 72.5160963072.

The spelling of 381332 in words is "three hundred eighty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 13619 27238 54476 95333 190666 381332