Search a number
-
+
338861 = 1731643
BaseRepresentation
bin1010010101110101101
3122012211102
41102232231
541320421
611132445
72610635
oct1225655
9565742
10338861
11211656
12144125
13bb313
148b6c5
156a60b
hex52bad

338861 has 8 divisors (see below), whose sum is σ = 370944. Its totient is φ = 308160.

The previous prime is 338857. The next prime is 338867. The reversal of 338861 is 168833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 338861 - 22 = 338857 is a prime.

It is a super-2 number, since 2×3388612 = 229653554642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338861.

It is not an unprimeable number, because it can be changed into a prime (338867) by changing a digit.

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, 206 + ... + 848.

It is an arithmetic number, because the mean of its divisors is an integer number (46368).

2338861 is an apocalyptic number.

338861 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

338861 is a deficient number, since it is larger than the sum of its proper divisors (32083).

338861 is a wasteful number, since it uses less digits than its factorization.

338861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its digits is 3456, while the sum is 29.

The square root of 338861 is about 582.1176856959. The cubic root of 338861 is about 69.7172951680.

The spelling of 338861 in words is "three hundred thirty-eight thousand, eight hundred sixty-one".

Divisors: 1 17 31 527 643 10931 19933 338861