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30270204 = 2232840839
BaseRepresentation
bin111001101111…
…0001011111100
32002221212220200
41303132023330
530222121304
63000443500
7515202216
oct163361374
962855820
1030270204
11160a54a8
12a179590
13636ac83
14403d5b6
1529cde39
hex1cde2fc

30270204 has 18 divisors (see below), whose sum is σ = 76516440. Its totient is φ = 10090056.

The previous prime is 30270203. The next prime is 30270221. The reversal of 30270204 is 40207203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30270203) 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, 420384 + ... + 420455.

Almost surely, 230270204 is an apocalyptic number.

It is an amenable number.

30270204 is an abundant number, since it is smaller than the sum of its proper divisors (46246236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30270204 is a wasteful number, since it uses less digits than its factorization.

30270204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840849 (or 840844 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30270204 is about 5501.8364206872. The cubic root of 30270204 is about 311.6533378472.

Adding to 30270204 its reverse (40207203), we get a palindrome (70477407).

The spelling of 30270204 in words is "thirty million, two hundred seventy thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 840839 1681678 2522517 3363356 5045034 7567551 10090068 15135102 30270204