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13478339 = 713271451
BaseRepresentation
bin110011011010…
…100111000011
3221100202210202
4303122213003
511422301324
61200515415
7222364310
oct63324703
927322722
1013478339
117676526
12461bb6b
132a3bb64
141b0bd07
1512b38ae
hexcda9c3

13478339 has 8 divisors (see below), whose sum is σ = 15426048. Its totient is φ = 11536200.

The previous prime is 13478329. The next prime is 13478341. The reversal of 13478339 is 93387431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13478339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13478329) by changing a digit.

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, 8564 + ... + 10014.

It is an arithmetic number, because the mean of its divisors is an integer number (1928256).

Almost surely, 213478339 is an apocalyptic number.

13478339 is a deficient number, since it is larger than the sum of its proper divisors (1947709).

13478339 is a wasteful number, since it uses less digits than its factorization.

13478339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its digits is 54432, while the sum is 38.

The square root of 13478339 is about 3671.2857420800. The cubic root of 13478339 is about 237.9827389030.

The spelling of 13478339 in words is "thirteen million, four hundred seventy-eight thousand, three hundred thirty-nine".

Divisors: 1 7 1327 1451 9289 10157 1925477 13478339