Search a number
-
+
38823 = 312941
BaseRepresentation
bin1001011110100111
31222020220
421132213
52220243
6455423
7221121
oct113647
958226
1038823
1127194
121a573
1314895
1410211
15b783
hex97a7

38823 has 4 divisors (see below), whose sum is σ = 51768. Its totient is φ = 25880.

The previous prime is 38821. The next prime is 38833. The reversal of 38823 is 32883.

It can be divided in two parts, 38 and 823, that added together give a triangular number (861 = T41).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38823 - 21 = 38821 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 38793 and 38802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468 + ... + 6473.

It is an arithmetic number, because the mean of its divisors is an integer number (12942).

238823 is an apocalyptic number.

38823 is a deficient number, since it is larger than the sum of its proper divisors (12945).

38823 is a wasteful number, since it uses less digits than its factorization.

38823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12944.

The product of its digits is 1152, while the sum is 24.

The square root of 38823 is about 197.0355297909. The cubic root of 38823 is about 33.8607336794.

The spelling of 38823 in words is "thirty-eight thousand, eight hundred twenty-three".

Divisors: 1 3 12941 38823