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11285875 = 531747113
BaseRepresentation
bin101011000011…
…010101110011
3210020101022101
4223003111303
510342122000
61041521231
7164633266
oct53032563
923211271
1011285875
116409277
123943217
132451c43
1416dacdd
15ecde6a
hexac3573

11285875 has 32 divisors (see below), whose sum is σ = 15365376. Its totient is φ = 8243200.

The previous prime is 11285863. The next prime is 11285881. The reversal of 11285875 is 57858211.

It is not a de Polignac number, because 11285875 - 29 = 11285363 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 99819 + ... + 99931.

It is an arithmetic number, because the mean of its divisors is an integer number (480168).

Almost surely, 211285875 is an apocalyptic number.

11285875 is the 2125-th heptagonal number.

11285875 is a deficient number, since it is larger than the sum of its proper divisors (4079501).

11285875 is a wasteful number, since it uses less digits than its factorization.

11285875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 182 counting only the distinct ones).

The product of its digits is 22400, while the sum is 37.

The square root of 11285875 is about 3359.4456387922. The cubic root of 11285875 is about 224.3081629640.

The spelling of 11285875 in words is "eleven million, two hundred eighty-five thousand, eight hundred seventy-five".

Divisors: 1 5 17 25 47 85 113 125 235 425 565 799 1175 1921 2125 2825 3995 5311 5875 9605 14125 19975 26555 48025 90287 99875 132775 240125 451435 663875 2257175 11285875