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13245078 = 2371128669
BaseRepresentation
bin110010100001…
…101010010110
3220220220211110
4302201222112
511342320303
61151515450
7220403250
oct62415226
926826743
1013245078
117527250
124528b86
132989932
141a8acd0
151269703
hexca1a96

13245078 has 32 divisors (see below), whose sum is σ = 33027840. Its totient is φ = 3440160.

The previous prime is 13245077. The next prime is 13245107. The reversal of 13245078 is 87054231.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245077) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13873 + ... + 14796.

It is an arithmetic number, because the mean of its divisors is an integer number (1032120).

Almost surely, 213245078 is an apocalyptic number.

13245078 is an abundant number, since it is smaller than the sum of its proper divisors (19782762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13245078 is a wasteful number, since it uses less digits than its factorization.

13245078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28692.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13245078 is about 3639.3787931459. The cubic root of 13245078 is about 236.6018703346.

The spelling of 13245078 in words is "thirteen million, two hundred forty-five thousand, seventy-eight".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 28669 57338 86007 172014 200683 315359 401366 602049 630718 946077 1204098 1892154 2207513 4415026 6622539 13245078