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11290855 = 553137311
BaseRepresentation
bin101011000100…
…100011100111
3210020122010211
4223010203213
510342301410
61042000251
7164653642
oct53044347
923218124
1011290855
116411a94
123946087
1324542a4
1416dca59
15ed068a
hexac48e7

11290855 has 16 divisors (see below), whose sum is σ = 13950144. Its totient is φ = 8769280.

The previous prime is 11290843. The next prime is 11290859. The reversal of 11290855 is 55809211.

11290855 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11290855 - 29 = 11290343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11290859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36150 + ... + 36460.

It is an arithmetic number, because the mean of its divisors is an integer number (871884).

Almost surely, 211290855 is an apocalyptic number.

11290855 is a deficient number, since it is larger than the sum of its proper divisors (2659289).

11290855 is a wasteful number, since it uses less digits than its factorization.

11290855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 11290855 is about 3360.1867507625. The cubic root of 11290855 is about 224.3411508180.

The spelling of 11290855 in words is "eleven million, two hundred ninety thousand, eight hundred fifty-five".

Divisors: 1 5 53 137 265 311 685 1555 7261 16483 36305 42607 82415 213035 2258171 11290855