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11286145 = 513401433
BaseRepresentation
bin101011000011…
…011010000001
3210020101200101
4223003122001
510342124040
61041522401
7164634133
oct53033201
923211611
1011286145
1164094a2
123943401
1324520c0
1416db053
15ece09a
hexac3681

11286145 has 16 divisors (see below), whose sum is σ = 14655312. Its totient is φ = 8294400.

The previous prime is 11286137. The next prime is 11286173. The reversal of 11286145 is 54168211.

11286145 = T350 + T351 + ... + T479.

It can be written as a sum of positive squares in 8 ways, for example, as 237169 + 11048976 = 487^2 + 3324^2 .

It is not a de Polignac number, because 11286145 - 23 = 11286137 is a prime.

It is a super-2 number, since 2×112861452 = 254754137922050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25849 + ... + 26281.

It is an arithmetic number, because the mean of its divisors is an integer number (915957).

Almost surely, 211286145 is an apocalyptic number.

It is an amenable number.

11286145 is a deficient number, since it is larger than the sum of its proper divisors (3369167).

11286145 is a wasteful number, since it uses less digits than its factorization.

11286145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its digits is 1920, while the sum is 28.

The square root of 11286145 is about 3359.4858237534. The cubic root of 11286145 is about 224.3099517109.

The spelling of 11286145 in words is "eleven million, two hundred eighty-six thousand, one hundred forty-five".

Divisors: 1 5 13 65 401 433 2005 2165 5213 5629 26065 28145 173633 868165 2257229 11286145