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13149105 = 35876607
BaseRepresentation
bin110010001010…
…001110110001
3220202001011220
4302022032301
511331232410
61145455253
7216523404
oct62121661
926661156
1013149105
117471132
1244a1529
132955048
141a63d3b
15124b070
hexc8a3b1

13149105 has 8 divisors (see below), whose sum is σ = 21038592. Its totient is φ = 7012848.

The previous prime is 13149091. The next prime is 13149113. The reversal of 13149105 is 50194131.

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

It is not a de Polignac number, because 13149105 - 212 = 13145009 is a prime.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 438289 + ... + 438318.

It is an arithmetic number, because the mean of its divisors is an integer number (2629824).

Almost surely, 213149105 is an apocalyptic number.

13149105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13149105 is a deficient number, since it is larger than the sum of its proper divisors (7889487).

13149105 is an equidigital number, since it uses as much as digits as its factorization.

13149105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876615.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 13149105 is about 3626.1694665308. The cubic root of 13149105 is about 236.0290170679.

The spelling of 13149105 in words is "thirteen million, one hundred forty-nine thousand, one hundred five".

Divisors: 1 3 5 15 876607 2629821 4383035 13149105