Search a number
-
+
338808 = 23319743
BaseRepresentation
bin1010010101101111000
3122012202110
41102231320
541320213
611132320
72610531
oct1225570
9565673
10338808
11211608
121440a0
13bb2a2
148b688
156a5c3
hex52b78

338808 has 32 divisors (see below), whose sum is σ = 892800. Its totient is φ = 106848.

The previous prime is 338803. The next prime is 338839. The reversal of 338808 is 808833.

It is a super-2 number, since 2×3388082 = 229581721728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338803) by changing a digit.

338808 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, 85 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (27900).

2338808 is an apocalyptic number.

338808 is a gapful number since it is divisible by the number (38) 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 338808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446400).

338808 is an abundant number, since it is smaller than the sum of its proper divisors (553992).

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

338808 is a wasteful number, since it uses less digits than its factorization.

338808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 338808 is about 582.0721604750. The cubic root of 338808 is about 69.7136602368.

The spelling of 338808 in words is "three hundred thirty-eight thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 743 1486 2229 2972 4458 5944 8916 14117 17832 28234 42351 56468 84702 112936 169404 338808