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13275750 = 235331571
BaseRepresentation
bin110010101001…
…001001100110
3220222110220110
4302221021212
511344311000
61152313450
7220561545
oct62511146
926873813
1013275750
1175482a4
124542886
13299a897
141a9815c
151273850
hexca9266

13275750 has 64 divisors (see below), whose sum is σ = 34265088. Its totient is φ = 3420000.

The previous prime is 13275749. The next prime is 13275791. The reversal of 13275750 is 5757231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 22965 + ... + 23535.

It is an arithmetic number, because the mean of its divisors is an integer number (535392).

Almost surely, 213275750 is an apocalyptic number.

13275750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13275750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17132544).

13275750 is an abundant number, since it is smaller than the sum of its proper divisors (20989338).

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

13275750 is a wasteful number, since it uses less digits than its factorization.

13275750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 13275750 is about 3643.5902623649. The cubic root of 13275750 is about 236.7843647418.

The spelling of 13275750 in words is "thirteen million, two hundred seventy-five thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 75 93 125 150 155 186 250 310 375 465 571 750 775 930 1142 1550 1713 2325 2855 3426 3875 4650 5710 7750 8565 11625 14275 17130 17701 23250 28550 35402 42825 53103 71375 85650 88505 106206 142750 177010 214125 265515 428250 442525 531030 885050 1327575 2212625 2655150 4425250 6637875 13275750