[go: up one dir, main page]

Search a number
-
+
348180 = 22357829
BaseRepresentation
bin1010101000000010100
3122200121120
41111000110
542120210
611243540
72650050
oct1250024
9580546
10348180
11218658
121495b0
13c2631
1490c60
156d270
hex55014

348180 has 48 divisors (see below), whose sum is σ = 1115520. Its totient is φ = 79488.

The previous prime is 348163. The next prime is 348181. The reversal of 348180 is 81843.

It is a self number, because there is not a number n which added to its sum of digits gives 348180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6 + ... + 834.

It is an arithmetic number, because the mean of its divisors is an integer number (23240).

2348180 is an apocalyptic number.

348180 is a gapful number since it is divisible by the number (30) 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 348180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557760).

348180 is an abundant number, since it is smaller than the sum of its proper divisors (767340).

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

348180 is a wasteful number, since it uses less digits than its factorization.

348180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 348180 is about 590.0677927154. The cubic root of 348180 is about 70.3506217967.

It can be divided in two parts, 348 and 180, that added together give a triangular number (528 = T32).

The spelling of 348180 in words is "three hundred forty-eight thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 829 1658 2487 3316 4145 4974 5803 8290 9948 11606 12435 16580 17409 23212 24870 29015 34818 49740 58030 69636 87045 116060 174090 348180