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11428803 = 33423289
BaseRepresentation
bin101011100110…
…001111000011
3210111122101000
4223212033003
510411210203
61044543043
7166100061
oct53461703
923448330
1011428803
1164a66a1
1239b1a83
1324a2009
141737031
15100b4a3
hexae63c3

11428803 has 8 divisors (see below), whose sum is σ = 16931600. Its totient is φ = 7619184.

The previous prime is 11428789. The next prime is 11428817. The reversal of 11428803 is 30882411.

It is an interprime number because it is at equal distance from previous prime (11428789) and next prime (11428817).

It is not a de Polignac number, because 11428803 - 24 = 11428787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 423289 = 11428803 / (1 + 1 + 4 + 2 + 8 + 8 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11428853) 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, 211618 + ... + 211671.

It is an arithmetic number, because the mean of its divisors is an integer number (2116450).

Almost surely, 211428803 is an apocalyptic number.

11428803 is a deficient number, since it is larger than the sum of its proper divisors (5502797).

11428803 is an equidigital number, since it uses as much as digits as its factorization.

11428803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423298 (or 423292 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 11428803 is about 3380.6512686167. The cubic root of 11428803 is about 225.2510974516.

The spelling of 11428803 in words is "eleven million, four hundred twenty-eight thousand, eight hundred three".

Divisors: 1 3 9 27 423289 1269867 3809601 11428803