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11393189 = 104910861
BaseRepresentation
bin101011011101…
…100010100101
3210102211111222
4223131202211
510404040224
61044110125
7165561203
oct53354245
923384458
1011393189
116481965
123995345
13248ba42
141728073
151000b5e
hexadd8a5

11393189 has 4 divisors (see below), whose sum is σ = 11405100. Its totient is φ = 11381280.

The previous prime is 11393177. The next prime is 11393191. The reversal of 11393189 is 98139311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7745089 + 3648100 = 2783^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 11393189 - 212 = 11389093 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 (11393159) 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 3 ways as a sum of consecutive naturals, for example, 4382 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (2851275).

Almost surely, 211393189 is an apocalyptic number.

It is an amenable number.

11393189 is a deficient number, since it is larger than the sum of its proper divisors (11911).

11393189 is a wasteful number, since it uses less digits than its factorization.

11393189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11910.

The product of its digits is 5832, while the sum is 35.

The square root of 11393189 is about 3375.3798304783. The cubic root of 11393189 is about 225.0168810380.

The spelling of 11393189 in words is "eleven million, three hundred ninety-three thousand, one hundred eighty-nine".

Divisors: 1 1049 10861 11393189