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1382 = 2691
BaseRepresentation
bin10101100110
31220012
4111212
521012
610222
74013
oct2546
91805
101382
111047
12972
13824
1470a
15622
hex566

1382 has 4 divisors (see below), whose sum is σ = 2076. Its totient is φ = 690.

The previous prime is 1381. The next prime is 1399. The reversal of 1382 is 2831.

It can be divided in two parts, 138 and 2, that multiplied together give a triangular number (276 = T23).

1382 is nontrivially palindromic in base 5.

1382 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2831 = 19149.

It is a plaindrome in base 16.

It is a nialpdrome in base 12 and base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 1382.

It is not an unprimeable number, because it can be changed into a prime (1381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344 + ... + 347.

It is an arithmetic number, because the mean of its divisors is an integer number (519).

21382 is an apocalyptic number.

1382 is a deficient number, since it is larger than the sum of its proper divisors (694).

1382 is an equidigital number, since it uses as much as digits as its factorization.

1382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its digits is 48, while the sum is 14.

The square root of 1382 is about 37.1752605909. The cubic root of 1382 is about 11.1387386552.

The spelling of 1382 in words is "one thousand, three hundred eighty-two".

Divisors: 1 2 691 1382