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338123105 = 5411649381
BaseRepresentation
bin10100001001110…
…101100101100001
3212120020102200222
4110021311211201
51143024414410
653315052425
711243666435
oct2411654541
9776212628
10338123105
11163952991
12952a1115
1355088258
1432c989c5
151ea3e955
hex14275961

338123105 has 8 divisors (see below), whose sum is σ = 415644264. Its totient is φ = 263900800.

The previous prime is 338123077. The next prime is 338123113. The reversal of 338123105 is 501321833.

It can be written as a sum of positive squares in 4 ways, for example, as 26388769 + 311734336 = 5137^2 + 17656^2 .

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

It is not a de Polignac number, because 338123105 - 28 = 338122849 is a prime.

It is a super-2 number, since 2×3381231052 = 228654468269682050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824486 + ... + 824895.

It is an arithmetic number, because the mean of its divisors is an integer number (51955533).

Almost surely, 2338123105 is an apocalyptic number.

It is an amenable number.

338123105 is a deficient number, since it is larger than the sum of its proper divisors (77521159).

338123105 is a wasteful number, since it uses less digits than its factorization.

338123105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649427.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 338123105 is about 18388.1240206825. The cubic root of 338123105 is about 696.6665352848. Note that the first 3 decimals are identical.

Adding to 338123105 its reverse (501321833), we get a palindrome (839444938).

The spelling of 338123105 in words is "three hundred thirty-eight million, one hundred twenty-three thousand, one hundred five".

Divisors: 1 5 41 205 1649381 8246905 67624621 338123105