Search a number
-
+
381454 = 2892143
BaseRepresentation
bin1011101001000001110
3201101020221
41131020032
544201304
612101554
73146053
oct1351016
9641227
10381454
11240657
121648ba
13104818
149d02a
1578054
hex5d20e

381454 has 8 divisors (see below), whose sum is σ = 578880. Its totient is φ = 188496.

The previous prime is 381443. The next prime is 381461. The reversal of 381454 is 454183.

381454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a congruent number.

It is an unprimeable number.

381454 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, 894 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (72360).

2381454 is an apocalyptic number.

381454 is a deficient number, since it is larger than the sum of its proper divisors (197426).

381454 is a wasteful number, since it uses less digits than its factorization.

381454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234.

The product of its digits is 1920, while the sum is 25.

The square root of 381454 is about 617.6196240406. The cubic root of 381454 is about 72.5238288695.

The spelling of 381454 in words is "three hundred eighty-one thousand, four hundred fifty-four".

Divisors: 1 2 89 178 2143 4286 190727 381454