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30114863 = 71523811
BaseRepresentation
bin111001011100…
…0010000101111
32002122222211022
41302320100233
530202133423
62553244355
7513654302
oct162702057
962588738
1030114863
1115aa9819
12a1036bb
13631535c
143ddcb39
15299cdc8
hex1cb842f

30114863 has 8 divisors (see below), whose sum is σ = 30635136. Its totient is φ = 29597400.

The previous prime is 30114859. The next prime is 30114881. The reversal of 30114863 is 36841103.

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 30114863 - 22 = 30114859 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 (30114853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36728 + ... + 37538.

It is an arithmetic number, because the mean of its divisors is an integer number (3829392).

Almost surely, 230114863 is an apocalyptic number.

30114863 is a deficient number, since it is larger than the sum of its proper divisors (520273).

30114863 is an equidigital number, since it uses as much as digits as its factorization.

30114863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30114863 is about 5487.7010669314. The cubic root of 30114863 is about 311.1193078292.

Adding to 30114863 its reverse (36841103), we get a palindrome (66955966).

The spelling of 30114863 in words is "thirty million, one hundred fourteen thousand, eight hundred sixty-three".

Divisors: 1 71 523 811 37133 57581 424153 30114863