Search a number
155344 = 2471973
BaseRepresentation
bin100101111011010000
321220002111
4211323100
514432334
63155104
71214620
oct457320
9256074
10155344
11a6792
1275a94
1355927
1440880
1531064
hex25ed0

155344 has 40 divisors (see below), whose sum is σ = 367040. Its totient is φ = 62208.

The previous prime is 155333. The next prime is 155371. The reversal of 155344 is 443551.

155344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

155344 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 7 ways as a sum of consecutive naturals, for example, 2092 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (9176).

2155344 is an apocalyptic number.

155344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183520).

155344 is an abundant number, since it is smaller than the sum of its proper divisors (211696).

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

155344 is a wasteful number, since it uses less digits than its factorization.

155344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 101 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 155344 is about 394.1370320079. The cubic root of 155344 is about 53.7565631070.

Adding to 155344 its reverse (443551), we get a palindrome (598895).

The spelling of 155344 in words is "one hundred fifty-five thousand, three hundred forty-four".