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11291406 = 237268843
BaseRepresentation
bin101011000100…
…101100001110
3210020122220020
4223010230032
510342311111
61042003010
7164655360
oct53045416
923218806
1011291406
116412445
123946466
132454609
1416dcd30
15ed0906
hexac4b0e

11291406 has 16 divisors (see below), whose sum is σ = 25809024. Its totient is φ = 3226104.

The previous prime is 11291393. The next prime is 11291407. The reversal of 11291406 is 60419211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11291407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 134380 + ... + 134463.

It is an arithmetic number, because the mean of its divisors is an integer number (1613064).

Almost surely, 211291406 is an apocalyptic number.

11291406 is an abundant number, since it is smaller than the sum of its proper divisors (14517618).

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

11291406 is a wasteful number, since it uses less digits than its factorization.

11291406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268855.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11291406 is about 3360.2687392529. The cubic root of 11291406 is about 224.3448000829.

The spelling of 11291406 in words is "eleven million, two hundred ninety-one thousand, four hundred six".

Divisors: 1 2 3 6 7 14 21 42 268843 537686 806529 1613058 1881901 3763802 5645703 11291406