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382013 = 3112323
BaseRepresentation
bin1011101010000111101
3201102000122
41131100331
544211023
612104325
73150512
oct1352075
9642018
10382013
11241015
121650a5
13104b58
149d309
15782c8
hex5d43d

382013 has 4 divisors (see below), whose sum is σ = 394368. Its totient is φ = 369660.

The previous prime is 382003. The next prime is 382021. The reversal of 382013 is 310283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 382013 - 26 = 381949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381982 and 382000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6131 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (98592).

2382013 is an apocalyptic number.

It is an amenable number.

382013 is a deficient number, since it is larger than the sum of its proper divisors (12355).

382013 is a wasteful number, since it uses less digits than its factorization.

382013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12354.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 382013 is about 618.0720022781. The cubic root of 382013 is about 72.5592381482.

Adding to 382013 its reverse (310283), we get a palindrome (692296).

The spelling of 382013 in words is "three hundred eighty-two thousand, thirteen".

Divisors: 1 31 12323 382013