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13378268 = 224771161
BaseRepresentation
bin110011000010…
…001011011100
3221011200112102
4303002023130
511411101033
61154424232
7221466461
oct63021334
927150472
1013378268
117608322
124592078
132a05447
141ac3668
151293de8
hexcc22dc

13378268 has 12 divisors (see below), whose sum is σ = 23910432. Its totient is φ = 6546720.

The previous prime is 13378247. The next prime is 13378271. The reversal of 13378268 is 86287331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35393 + ... + 35768.

It is an arithmetic number, because the mean of its divisors is an integer number (1992536).

Almost surely, 213378268 is an apocalyptic number.

It is an amenable number.

13378268 is a deficient number, since it is larger than the sum of its proper divisors (10532164).

13378268 is a wasteful number, since it uses less digits than its factorization.

13378268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71212 (or 71210 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 13378268 is about 3657.6314740553. The cubic root of 13378268 is about 237.3923013080.

The spelling of 13378268 in words is "thirteen million, three hundred seventy-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 47 94 188 71161 142322 284644 3344567 6689134 13378268