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11288838 = 2311171043
BaseRepresentation
bin101011000100…
…000100000110
3210020112101010
4223010010012
510342220323
61041543050
7164645031
oct53040406
923215333
1011288838
116410520
123944a86
1324533b2
1416dc018
15ecec93
hexac4106

11288838 has 16 divisors (see below), whose sum is σ = 24630336. Its totient is φ = 3420840.

The previous prime is 11288819. The next prime is 11288839. The reversal of 11288838 is 83888211.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11288796 and 11288805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11288839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85456 + ... + 85587.

It is an arithmetic number, because the mean of its divisors is an integer number (1539396).

Almost surely, 211288838 is an apocalyptic number.

11288838 is an abundant number, since it is smaller than the sum of its proper divisors (13341498).

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

11288838 is a wasteful number, since it uses less digits than its factorization.

11288838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171059.

The product of its digits is 24576, while the sum is 39.

The square root of 11288838 is about 3359.8866052294. The cubic root of 11288838 is about 224.3277912437.

The spelling of 11288838 in words is "eleven million, two hundred eighty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 171043 342086 513129 1026258 1881473 3762946 5644419 11288838