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11279290 = 2511102539
BaseRepresentation
bin101011000001…
…101110111010
3210020001021111
4223001232322
510341414130
61041430534
7164605141
oct53015672
923201244
1011279290
116404330
12393b44a
13244bc49
1416d8758
15ecc02a
hexac1bba

11279290 has 16 divisors (see below), whose sum is σ = 22148640. Its totient is φ = 4101520.

The previous prime is 11279263. The next prime is 11279299. The reversal of 11279290 is 9297211.

It is not an unprimeable number, because it can be changed into a prime (11279299) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 51160 + ... + 51379.

It is an arithmetic number, because the mean of its divisors is an integer number (1384290).

Almost surely, 211279290 is an apocalyptic number.

11279290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11279290 is a deficient number, since it is larger than the sum of its proper divisors (10869350).

11279290 is a wasteful number, since it uses less digits than its factorization.

11279290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102557.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 11279290 is about 3358.4654233742. The cubic root of 11279290 is about 224.2645285797.

The spelling of 11279290 in words is "eleven million, two hundred seventy-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 102539 205078 512695 1025390 1127929 2255858 5639645 11279290