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1355488189 = 11678322159
BaseRepresentation
bin101000011001011…
…0001101110111101
310111110120221020021
41100302301232331
510234001110224
6342300452141
745406313416
oct12062615675
93443527207
101355488189
11636157380
12319b4a051
13187a95423
14cc04680d
157e0011e4
hex50cb1bbd

1355488189 has 16 divisors (see below), whose sum is σ = 1518935040. Its totient is φ = 1199190960.

The previous prime is 1355488171. The next prime is 1355488201. The reversal of 1355488189 is 9818845531.

It is not a de Polignac number, because 1355488189 - 211 = 1355486141 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 (1355488889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50092 + ... + 72250.

It is an arithmetic number, because the mean of its divisors is an integer number (94933440).

Almost surely, 21355488189 is an apocalyptic number.

It is an amenable number.

1355488189 is a deficient number, since it is larger than the sum of its proper divisors (163446851).

1355488189 is a wasteful number, since it uses less digits than its factorization.

1355488189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22320.

The product of its digits is 1382400, while the sum is 52.

The square root of 1355488189 is about 36816.9551837194. The cubic root of 1355488189 is about 1106.7051032500.

The spelling of 1355488189 in words is "one billion, three hundred fifty-five million, four hundred eighty-eight thousand, one hundred eighty-nine".

Divisors: 1 11 67 83 737 913 5561 22159 61171 243749 1484653 1839197 16331183 20231167 123226199 1355488189