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381292 = 221929173
BaseRepresentation
bin1011101000101101100
3201101000221
41131011230
544200132
612101124
73145432
oct1350554
9641027
10381292
1124051a
121647a4
13104722
149cd52
1577e97
hex5d16c

381292 has 24 divisors (see below), whose sum is σ = 730800. Its totient is φ = 173376.

The previous prime is 381289. The next prime is 381301. The reversal of 381292 is 292183.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (30450).

2381292 is an apocalyptic number.

It is an amenable number.

381292 is a deficient number, since it is larger than the sum of its proper divisors (349508).

381292 is a wasteful number, since it uses less digits than its factorization.

381292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 223 counting only the distinct ones).

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

The square root of 381292 is about 617.4884614307. The cubic root of 381292 is about 72.5135606818.

The spelling of 381292 in words is "three hundred eighty-one thousand, two hundred ninety-two".

Divisors: 1 2 4 19 29 38 58 76 116 173 346 551 692 1102 2204 3287 5017 6574 10034 13148 20068 95323 190646 381292