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30134243 = 37899151
BaseRepresentation
bin111001011110…
…0111111100011
32002200222102002
41302330333203
530203243433
62553514215
7514064636
oct162747743
962628362
1030134243
1116012337
12a11296b
136321119
144005c1d
1529a39e8
hex1cbcfe3

30134243 has 8 divisors (see below), whose sum is σ = 31299840. Its totient is φ = 28987200.

The previous prime is 30134239. The next prime is 30134267. The reversal of 30134243 is 34243103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30134243 - 22 = 30134239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30134543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 7868.

It is an arithmetic number, because the mean of its divisors is an integer number (3912480).

Almost surely, 230134243 is an apocalyptic number.

30134243 is a deficient number, since it is larger than the sum of its proper divisors (1165597).

30134243 is an equidigital number, since it uses as much as digits as its factorization.

30134243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30134243 is about 5489.4665496749. The cubic root of 30134243 is about 311.1860323483.

Adding to 30134243 its reverse (34243103), we get a palindrome (64377346).

The spelling of 30134243 in words is "thirty million, one hundred thirty-four thousand, two hundred forty-three".

Divisors: 1 37 89 3293 9151 338587 814439 30134243