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30340235 = 529832521
BaseRepresentation
bin111001110111…
…1010010001011
32010002102222102
41303233102023
530231341420
63002144015
7515613332
oct163572213
963072872
1030340235
1116143082
12a1b200b
136393b03
14405ad19
1529e4a75
hex1cef48b

30340235 has 16 divisors (see below), whose sum is σ = 38132640. Its totient is φ = 23143680.

The previous prime is 30340231. The next prime is 30340249. The reversal of 30340235 is 53204303.

It is not a de Polignac number, because 30340235 - 22 = 30340231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30340231) 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, 10775 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (2383290).

Almost surely, 230340235 is an apocalyptic number.

30340235 is a deficient number, since it is larger than the sum of its proper divisors (7792405).

30340235 is a wasteful number, since it uses less digits than its factorization.

30340235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 30340235 is about 5508.1970734533. The cubic root of 30340235 is about 311.8934924370.

Adding to 30340235 its reverse (53204303), we get a palindrome (83544538).

The spelling of 30340235 in words is "thirty million, three hundred forty thousand, two hundred thirty-five".

Divisors: 1 5 29 83 145 415 2407 2521 12035 12605 73109 209243 365545 1046215 6068047 30340235