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11030239 = 11291159
BaseRepresentation
bin101010000100…
…111011011111
3202202101122101
4222010323133
510310431424
61032225531
7162520063
oct52047337
922671571
1011030239
116254200
12383b2a7
13239278c
141671aa3
15e7d344
hexa84edf

11030239 has 6 divisors (see below), whose sum is σ = 12124280. Its totient is φ = 10027380.

The previous prime is 11030233. The next prime is 11030251. The reversal of 11030239 is 93203011.

It is not a de Polignac number, because 11030239 - 27 = 11030111 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 (11030233) 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, 45459 + ... + 45700.

Almost surely, 211030239 is an apocalyptic number.

11030239 is a deficient number, since it is larger than the sum of its proper divisors (1094041).

11030239 is an equidigital number, since it uses as much as digits as its factorization.

11030239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91181 (or 91170 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 11030239 is about 3321.1803624615. The cubic root of 11030239 is about 222.6016133103.

The spelling of 11030239 in words is "eleven million, thirty thousand, two hundred thirty-nine".

Divisors: 1 11 121 91159 1002749 11030239