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338906868 = 22328242239
BaseRepresentation
bin10100001100110…
…100111011110100
3212121201020211020
4110030310323310
51143230004433
653343541140
711253442446
oct2414647364
9777636736
10338906868
11164338823
12955ba7b0
13552a0c11
1433020496
151eb46cb3
hex14334ef4

338906868 has 12 divisors (see below), whose sum is σ = 790782720. Its totient is φ = 112968952.

The previous prime is 338906851. The next prime is 338906873. The reversal of 338906868 is 868609833.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3389068682 = 229715730355138848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338906868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14121108 + ... + 14121131.

It is an arithmetic number, because the mean of its divisors is an integer number (65898560).

Almost surely, 2338906868 is an apocalyptic number.

It is an amenable number.

338906868 is an abundant number, since it is smaller than the sum of its proper divisors (451875852).

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

338906868 is a wasteful number, since it uses less digits than its factorization.

338906868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28242246 (or 28242244 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 338906868 is about 18409.4233478401. The cubic root of 338906868 is about 697.2044065502.

The spelling of 338906868 in words is "three hundred thirty-eight million, nine hundred six thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 28242239 56484478 84726717 112968956 169453434 338906868