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13663354 = 28538009
BaseRepresentation
bin110100000111…
…110001111010
3221201011121011
4310013301322
511444211404
61204504134
7224064565
oct64076172
927634534
1013663354
117792531
1246ab04a
132aa5133
141b594dc
1512ed604
hexd07c7a

13663354 has 8 divisors (see below), whose sum is σ = 20521620. Its totient is φ = 6822816.

The previous prime is 13663327. The next prime is 13663361. The reversal of 13663354 is 45336631.

It can be written as a sum of positive squares in 2 ways, for example, as 13140625 + 522729 = 3625^2 + 723^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2299 + ... + 5710.

Almost surely, 213663354 is an apocalyptic number.

13663354 is a deficient number, since it is larger than the sum of its proper divisors (6858266).

13663354 is an equidigital number, since it uses as much as digits as its factorization.

13663354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864.

The product of its digits is 19440, while the sum is 31.

The square root of 13663354 is about 3696.3974353416. The cubic root of 13663354 is about 239.0667110683.

Adding to 13663354 its reverse (45336631), we get a palindrome (58999985).

The spelling of 13663354 in words is "thirteen million, six hundred sixty-three thousand, three hundred fifty-four".

Divisors: 1 2 853 1706 8009 16018 6831677 13663354