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381232 = 2423827
BaseRepresentation
bin1011101000100110000
3201100221201
41131010300
544144412
612100544
73145315
oct1350460
9640851
10381232
11240475
12164754
131046a7
149cd0c
1577e57
hex5d130

381232 has 10 divisors (see below), whose sum is σ = 738668. Its totient is φ = 190608.

The previous prime is 381223. The next prime is 381233. The reversal of 381232 is 232183.

It is a happy number.

381232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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 (381233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11898 + ... + 11929.

2381232 is an apocalyptic number.

It is an amenable number.

381232 is a deficient number, since it is larger than the sum of its proper divisors (357436).

381232 is a wasteful number, since it uses less digits than its factorization.

381232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23835 (or 23829 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 381232 is about 617.4398756154. The cubic root of 381232 is about 72.5097569112.

It can be divided in two parts, 3812 and 32, that added together give a square (3844 = 622).

The spelling of 381232 in words is "three hundred eighty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 23827 47654 95308 190616 381232