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30108814 = 254127827
BaseRepresentation
bin111001011011…
…0110010001110
32002122200112021
41302312302032
530201440224
62553200354
7513630541
oct162666216
962580467
1030108814
1115aa521a
12a1000ba
136312688
143dda858
15299b1e4
hex1cb6c8e

30108814 has 8 divisors (see below), whose sum is σ = 45248328. Its totient is φ = 15026040.

The previous prime is 30108797. The next prime is 30108829. The reversal of 30108814 is 41880103.

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

It is a congruent 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, 12832 + ... + 14995.

It is an arithmetic number, because the mean of its divisors is an integer number (5656041).

Almost surely, 230108814 is an apocalyptic number.

30108814 is a deficient number, since it is larger than the sum of its proper divisors (15139514).

30108814 is a wasteful number, since it uses less digits than its factorization.

30108814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28370.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 30108814 is about 5487.1498977156. The cubic root of 30108814 is about 311.0984755167.

Adding to 30108814 its reverse (41880103), we get a palindrome (71988917).

The spelling of 30108814 in words is "thirty million, one hundred eight thousand, eight hundred fourteen".

Divisors: 1 2 541 1082 27827 55654 15054407 30108814