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30122110 = 253012211
BaseRepresentation
bin111001011101…
…0000001111110
32002200100202201
41302322001332
530202401420
62553342114
7514014364
oct162720176
962610681
1030122110
1116004207
12a10793a
136318745
144001634
1529a010a
hex1cba07e

30122110 has 8 divisors (see below), whose sum is σ = 54219816. Its totient is φ = 12048840.

The previous prime is 30122101. The next prime is 30122117. The reversal of 30122110 is 1122103.

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 3012211 = 30122110 / (3 + 0 + 1 + 2 + 2 + 1 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506096 + ... + 1506115.

It is an arithmetic number, because the mean of its divisors is an integer number (6777477).

Almost surely, 230122110 is an apocalyptic number.

30122110 is a deficient number, since it is larger than the sum of its proper divisors (24097706).

30122110 is a wasteful number, since it uses less digits than its factorization.

30122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012218.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30122110 is about 5488.3613219248. The cubic root of 30122110 is about 311.1442622931.

Adding to 30122110 its reverse (1122103), we get a palindrome (31244213).

The spelling of 30122110 in words is "thirty million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 3012211 6024422 15061055 30122110