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11428485 = 351913989
BaseRepresentation
bin101011100110…
…001010000101
3210111121221020
4223212022011
510411202420
61044541353
7166066125
oct53461205
923447836
1011428485
1164a6432
1239b1859
1324a1b23
141736c85
15100b340
hexae6285

11428485 has 16 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 6061760.

The previous prime is 11428451. The next prime is 11428489. The reversal of 11428485 is 58482411.

It is not a de Polignac number, because 11428485 - 26 = 11428421 is a prime.

It is a super-2 number, since 2×114284852 = 261220538790450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428489) 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 15 ways as a sum of consecutive naturals, for example, 871 + ... + 4859.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 211428485 is an apocalyptic number.

11428485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11428485 is a deficient number, since it is larger than the sum of its proper divisors (6957435).

11428485 is a wasteful number, since it uses less digits than its factorization.

11428485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188.

The product of its digits is 10240, while the sum is 33.

The square root of 11428485 is about 3380.6042359318. The cubic root of 11428485 is about 225.2490082707.

The spelling of 11428485 in words is "eleven million, four hundred twenty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 15 191 573 955 2865 3989 11967 19945 59835 761899 2285697 3809495 11428485