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338400412 = 227191374643
BaseRepresentation
bin10100001010111…
…001010010011100
3212120202112002121
4110022321102130
51143112303122
653325032324
711246233060
oct2412712234
9776675077
10338400412
11164022269
12953b56a4
135515453c
1432d2baa0
151ea96bc7
hex142b949c

338400412 has 48 divisors (see below), whose sum is σ = 717776640. Its totient is φ = 136363392.

The previous prime is 338400373. The next prime is 338400443. The reversal of 338400412 is 214004833.

It is a super-2 number, since 2×3384004122 = 229029677683539488, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 70563 + ... + 75205.

It is an arithmetic number, because the mean of its divisors is an integer number (14953680).

Almost surely, 2338400412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338400412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358888320).

338400412 is an abundant number, since it is smaller than the sum of its proper divisors (379376228).

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

338400412 is a wasteful number, since it uses less digits than its factorization.

338400412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810 (or 4808 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 338400412 is about 18395.6628584022. The cubic root of 338400412 is about 696.8569370585.

The spelling of 338400412 in words is "three hundred thirty-eight million, four hundred thousand, four hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 137 266 274 532 548 959 1918 2603 3836 4643 5206 9286 10412 18221 18572 32501 36442 65002 72884 88217 130004 176434 352868 617519 636091 1235038 1272182 2470076 2544364 4452637 8905274 12085729 17810548 24171458 48342916 84600103 169200206 338400412