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381252 = 22331771
BaseRepresentation
bin1011101000101000100
3201100222110
41131011010
544200002
612101020
73145344
oct1350504
9640873
10381252
11240493
12164770
131046c1
149cd24
1577e6c
hex5d144

381252 has 12 divisors (see below), whose sum is σ = 889616. Its totient is φ = 127080.

The previous prime is 381239. The next prime is 381253. The reversal of 381252 is 252183.

381252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (381253) by changing a digit.

381252 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, 15874 + ... + 15897.

2381252 is an apocalyptic number.

It is an amenable number.

381252 is an abundant number, since it is smaller than the sum of its proper divisors (508364).

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

381252 is a wasteful number, since it uses less digits than its factorization.

381252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31778 (or 31776 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 381252 is about 617.4560713120. The cubic root of 381252 is about 72.5110248791.

The spelling of 381252 in words is "three hundred eighty-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 31771 63542 95313 127084 190626 381252