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13248485 = 519313729
BaseRepresentation
bin110010100010…
…011111100101
3220221002111122
4302202133211
511342422420
61151543325
7220416215
oct62423745
926832448
1013248485
117529868
12452ab45
13298b353
141a8c245
15126a725
hexca27e5

13248485 has 8 divisors (see below), whose sum is σ = 15981720. Its totient is φ = 10543104.

The previous prime is 13248467. The next prime is 13248503. The reversal of 13248485 is 58484231.

It is an interprime number because it is at equal distance from previous prime (13248467) and next prime (13248503).

It can be written as a sum of positive squares in 4 ways, for example, as 187489 + 13060996 = 433^2 + 3614^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13248485 - 26 = 13248421 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5900 + ... + 7829.

It is an arithmetic number, because the mean of its divisors is an integer number (1997715).

Almost surely, 213248485 is an apocalyptic number.

It is an amenable number.

13248485 is a deficient number, since it is larger than the sum of its proper divisors (2733235).

13248485 is a wasteful number, since it uses less digits than its factorization.

13248485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13927.

The product of its digits is 30720, while the sum is 35.

The square root of 13248485 is about 3639.8468374370. The cubic root of 13248485 is about 236.6221554413.

The spelling of 13248485 in words is "thirteen million, two hundred forty-eight thousand, four hundred eighty-five".

Divisors: 1 5 193 965 13729 68645 2649697 13248485