Search a number
-
+
319384 = 23133783
BaseRepresentation
bin1001101111110011000
3121020010001
41031332120
540210014
610502344
72500102
oct1157630
9536101
10319384
111a8a5a
121349b4
13b24b0
1484572
1564974
hex4df98

319384 has 32 divisors (see below), whose sum is σ = 670320. Its totient is φ = 141696.

The previous prime is 319357. The next prime is 319387. The reversal of 319384 is 483913.

It is a super-2 number, since 2×3193842 = 204012278912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319387) by changing a digit.

319384 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 3807 + ... + 3889.

2319384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335160).

319384 is an abundant number, since it is smaller than the sum of its proper divisors (350936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319384 is a wasteful number, since it uses less digits than its factorization.

319384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 135 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 319384 is about 565.1406904480. The cubic root of 319384 is about 68.3551202919.

It can be divided in two parts, 319 and 384, that added together give a triangular number (703 = T37).

The spelling of 319384 in words is "three hundred nineteen thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 26 37 52 74 83 104 148 166 296 332 481 664 962 1079 1924 2158 3071 3848 4316 6142 8632 12284 24568 39923 79846 159692 319384