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11190389 = 76173359
BaseRepresentation
bin101010101100…
…000001110101
3210001112022212
4222230001311
510331043024
61035503205
7164055020
oct52540165
923045285
1011190389
116353561
1238b7b05
13241a642
1416b41b7
15eb0a0e
hexaac075

11190389 has 16 divisors (see below), whose sum is σ = 13213440. Its totient is φ = 9279360.

The previous prime is 11190383. The next prime is 11190401. The reversal of 11190389 is 98309111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11190389 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 (11190383) 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, 30992 + ... + 31350.

It is an arithmetic number, because the mean of its divisors is an integer number (825840).

Almost surely, 211190389 is an apocalyptic number.

It is an amenable number.

11190389 is a deficient number, since it is larger than the sum of its proper divisors (2023051).

11190389 is an equidigital number, since it uses as much as digits as its factorization.

11190389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 11190389 is about 3345.2038801843. The cubic root of 11190389 is about 223.6737717715.

The spelling of 11190389 in words is "eleven million, one hundred ninety thousand, three hundred eighty-nine".

Divisors: 1 7 61 73 359 427 511 2513 4453 21899 26207 31171 153293 183449 1598627 11190389