Search a number
-
+
348138 = 2347307
BaseRepresentation
bin1010100111111101010
3122200120000
41110333222
542120023
611243430
72646660
oct1247752
9580500
10348138
1121861a
12149576
13c25cb
1490c30
156d243
hex54fea

348138 has 40 divisors (see below), whose sum is σ = 894432. Its totient is φ = 99144.

The previous prime is 348097. The next prime is 348149. The reversal of 348138 is 831843.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 981 + ... + 1287.

2348138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447216).

348138 is an abundant number, since it is smaller than the sum of its proper divisors (546294).

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

348138 is a wasteful number, since it uses less digits than its factorization.

348138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 319 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 348138 is about 590.0322025110. The cubic root of 348138 is about 70.3477929486.

The spelling of 348138 in words is "three hundred forty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 307 378 567 614 921 1134 1842 2149 2763 4298 5526 6447 8289 12894 16578 19341 24867 38682 49734 58023 116046 174069 348138