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338468728 = 231330710601
BaseRepresentation
bin10100001011001…
…001111101111000
3212120212222210211
4110023021331320
51143121444403
653330320504
711246636203
oct2413117570
9776788724
10338468728
11164069624
1295429134
1355179670
1432d4893a
151eaac06d
hex142c9f78

338468728 has 32 divisors (see below), whose sum is σ = 685737360. Its totient is φ = 155692800.

The previous prime is 338468723. The next prime is 338468729. The reversal of 338468728 is 827864833.

It is a super-2 number, since 2×3384687282 = 229122159667875968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338468723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26628 + ... + 37228.

Almost surely, 2338468728 is an apocalyptic number.

It is an amenable number.

338468728 is an abundant number, since it is smaller than the sum of its proper divisors (347268632).

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

338468728 is a wasteful number, since it uses less digits than its factorization.

338468728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927 (or 10923 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 338468728 is about 18397.5196154264. The cubic root of 338468728 is about 696.9038275405.

The spelling of 338468728 in words is "three hundred thirty-eight million, four hundred sixty-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 307 614 1228 2456 3991 7982 10601 15964 21202 31928 42404 84808 137813 275626 551252 1102504 3254507 6509014 13018028 26036056 42308591 84617182 169234364 338468728