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11493189 = 321277021
BaseRepresentation
bin101011110101…
…111101000101
3210121220200200
4223311331011
510420240224
61050201113
7166455561
oct53657505
923556620
1011493189
116540004
123a23199
1324c5406
1417526a1
1510205c9
hexaf5f45

11493189 has 6 divisors (see below), whose sum is σ = 16601286. Its totient is φ = 7662120.

The previous prime is 11493151. The next prime is 11493203. The reversal of 11493189 is 98139411.

It can be written as a sum of positive squares in only one way, i.e., 11492100 + 1089 = 3390^2 + 33^2 .

It is not a de Polignac number, because 11493189 - 219 = 10968901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 638502 + ... + 638519.

It is an arithmetic number, because the mean of its divisors is an integer number (2766881).

Almost surely, 211493189 is an apocalyptic number.

It is an amenable number.

11493189 is a deficient number, since it is larger than the sum of its proper divisors (5108097).

11493189 is a wasteful number, since it uses less digits than its factorization.

11493189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277027 (or 1277024 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 11493189 is about 3390.1606156641. The cubic root of 11493189 is about 225.6733016858.

The spelling of 11493189 in words is "eleven million, four hundred ninety-three thousand, one hundred eighty-nine".

Divisors: 1 3 9 1277021 3831063 11493189