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13468738 = 26734369
BaseRepresentation
bin110011011000…
…010001000010
3221100021122011
4303120101002
511421444423
61200403134
7222324313
oct63302102
927307564
1013468738
11766a298
1246164aa
132a3768a
141b0860a
1512b0b0d
hexcd8442

13468738 has 4 divisors (see below), whose sum is σ = 20203110. Its totient is φ = 6734368.

The previous prime is 13468729. The next prime is 13468751. The reversal of 13468738 is 83786431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83786431 = 591420109.

It can be written as a sum of positive squares in only one way, i.e., 11269449 + 2199289 = 3357^2 + 1483^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13468738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3367183 + ... + 3367186.

Almost surely, 213468738 is an apocalyptic number.

13468738 is a deficient number, since it is larger than the sum of its proper divisors (6734372).

13468738 is an equidigital number, since it uses as much as digits as its factorization.

13468738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734371.

The product of its digits is 96768, while the sum is 40.

The square root of 13468738 is about 3669.9779290889. The cubic root of 13468738 is about 237.9262182141.

The spelling of 13468738 in words is "thirteen million, four hundred sixty-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 6734369 13468738