Search a number
-
+
11369889 = 341723359
BaseRepresentation
bin101011010111…
…110110100001
3210101122120000
4223113312201
510402314024
61043410213
7165433236
oct53276641
923348500
1011369889
116466403
123983969
13248125b
14171d78d
15ee8cc9
hexad7da1

11369889 has 40 divisors (see below), whose sum is σ = 18817920. Its totient is φ = 6804864.

The previous prime is 11369887. The next prime is 11369893. The reversal of 11369889 is 98896311.

It is not a de Polignac number, because 11369889 - 21 = 11369887 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11369887) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31492 + ... + 31850.

It is an arithmetic number, because the mean of its divisors is an integer number (470448).

Almost surely, 211369889 is an apocalyptic number.

It is an amenable number.

11369889 is a deficient number, since it is larger than the sum of its proper divisors (7448031).

11369889 is a wasteful number, since it uses less digits than its factorization.

11369889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 402 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 11369889 is about 3371.9266006246. The cubic root of 11369889 is about 224.8633837323.

It can be divided in two parts, 1136 and 9889, that added together give a square (11025 = 1052).

The spelling of 11369889 in words is "eleven million, three hundred sixty-nine thousand, eight hundred eighty-nine".

Divisors: 1 3 9 17 23 27 51 69 81 153 207 359 391 459 621 1077 1173 1377 1863 3231 3519 6103 8257 9693 10557 18309 24771 29079 31671 54927 74313 140369 164781 222939 421107 494343 668817 1263321 3789963 11369889