Search a number
-
+
111052389 = 3716332443
BaseRepresentation
bin1101001111010…
…00011001100101
321201222001020110
412213220121211
5211412134024
615004123233
72515633620
oct647503145
9251861213
10111052389
1157760338
1231236519
131a013396
1410a6adb7
159b39629
hex69e8665

111052389 has 16 divisors (see below), whose sum is σ = 170266112. Its totient is φ = 63067248.

The previous prime is 111052387. The next prime is 111052427. The reversal of 111052389 is 983250111.

It is not a de Polignac number, because 111052389 - 21 = 111052387 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 (111052387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12799 + ... + 19644.

It is an arithmetic number, because the mean of its divisors is an integer number (10641632).

Almost surely, 2111052389 is an apocalyptic number.

It is an amenable number.

111052389 is a deficient number, since it is larger than the sum of its proper divisors (59213723).

111052389 is a wasteful number, since it uses less digits than its factorization.

111052389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32616.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 111052389 is about 10538.1397314706. The cubic root of 111052389 is about 480.6651499054.

The spelling of 111052389 in words is "one hundred eleven million, fifty-two thousand, three hundred eighty-nine".

Divisors: 1 3 7 21 163 489 1141 3423 32443 97329 227101 681303 5288209 15864627 37017463 111052389