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11289160 = 235282229
BaseRepresentation
bin101011000100…
…001001001000
3210020112211001
4223010021020
510342223120
61041544344
7164646001
oct53041110
923215731
1011289160
116410793
1239450b4
13245359c
1416dc1a8
15ecee0a
hexac4248

11289160 has 16 divisors (see below), whose sum is σ = 25400700. Its totient is φ = 4515648.

The previous prime is 11289137. The next prime is 11289167. The reversal of 11289160 is 6198211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11276164 + 12996 = 3358^2 + 114^2 .

It is not an unprimeable number, because it can be changed into a prime (11289167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141075 + ... + 141154.

Almost surely, 211289160 is an apocalyptic number.

11289160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11289160 is an abundant number, since it is smaller than the sum of its proper divisors (14111540).

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

11289160 is a wasteful number, since it uses less digits than its factorization.

11289160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282240 (or 282236 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 11289160 is about 3359.9345231715. The cubic root of 11289160 is about 224.3299241134.

It can be divided in two parts, 11289 and 160, that added together give a square (11449 = 1072).

The spelling of 11289160 in words is "eleven million, two hundred eighty-nine thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 282229 564458 1128916 1411145 2257832 2822290 5644580 11289160