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30126235 = 56025247
BaseRepresentation
bin111001011101…
…1000010011011
32002200120102111
41302323002123
530203014420
62553413151
7514032406
oct162730233
962616374
1030126235
1116007317
12a10a1b7
13631a599
144002d3d
1529a145a
hex1cbb09b

30126235 has 4 divisors (see below), whose sum is σ = 36151488. Its totient is φ = 24100984.

The previous prime is 30126221. The next prime is 30126241. The reversal of 30126235 is 53262103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30126235 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012619 + ... + 3012628.

It is an arithmetic number, because the mean of its divisors is an integer number (9037872).

Almost surely, 230126235 is an apocalyptic number.

30126235 is a deficient number, since it is larger than the sum of its proper divisors (6025253).

30126235 is an equidigital number, since it uses as much as digits as its factorization.

30126235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025252.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 30126235 is about 5488.7371042891. The cubic root of 30126235 is about 311.1584646127.

Adding to 30126235 its reverse (53262103), we get a palindrome (83388338).

The spelling of 30126235 in words is "thirty million, one hundred twenty-six thousand, two hundred thirty-five".

Divisors: 1 5 6025247 30126235