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11830085 = 52366017
BaseRepresentation
bin101101001000…
…001101000101
3211021000211022
4231020031011
511012030320
61101320525
7202361021
oct55101505
924230738
1011830085
116750133
123b66145
1325b2867
1417dd381
15108a325
hexb48345

11830085 has 4 divisors (see below), whose sum is σ = 14196108. Its totient is φ = 9464064.

The previous prime is 11830081. The next prime is 11830163. The reversal of 11830085 is 58003811.

11830085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58003811 = 457126923.

It can be written as a sum of positive squares in 2 ways, for example, as 4068289 + 7761796 = 2017^2 + 2786^2 .

It is a cyclic number.

It is not a de Polignac number, because 11830085 - 22 = 11830081 is a prime.

It is a super-2 number, since 2×118300852 = 279901822214450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11830081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183004 + ... + 1183013.

It is an arithmetic number, because the mean of its divisors is an integer number (3549027).

Almost surely, 211830085 is an apocalyptic number.

It is an amenable number.

11830085 is a deficient number, since it is larger than the sum of its proper divisors (2366023).

11830085 is an equidigital number, since it uses as much as digits as its factorization.

11830085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366022.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 11830085 is about 3439.4890608926. The cubic root of 11830085 is about 227.8571293802.

Adding to 11830085 its reverse (58003811), we get a palindrome (69833896).

It can be divided in two parts, 118 and 30085, that added together give a palindrome (30203).

The spelling of 11830085 in words is "eleven million, eight hundred thirty thousand, eighty-five".

Divisors: 1 5 2366017 11830085