Search a number
-
+
30105122 = 216392347
BaseRepresentation
bin111001011010…
…1111000100010
32002122111110112
41302311320202
530201330442
62553131322
7513614015
oct162657042
962574415
1030105122
1115aa2473
12a0b9b42
136310aa8
143dd937c
15299a082
hex1cb5e22

30105122 has 8 divisors (see below), whose sum is σ = 45435216. Its totient is φ = 14960052.

The previous prime is 30105109. The next prime is 30105151. The reversal of 30105122 is 22150103.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 30105097 and 30105106.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 45848 + ... + 46499.

It is an arithmetic number, because the mean of its divisors is an integer number (5679402).

Almost surely, 230105122 is an apocalyptic number.

30105122 is a deficient number, since it is larger than the sum of its proper divisors (15330094).

30105122 is a wasteful number, since it uses less digits than its factorization.

30105122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92512.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 30105122 is about 5486.8134650269. The cubic root of 30105122 is about 311.0857591681.

Adding to 30105122 its reverse (22150103), we get a palindrome (52255225).

The spelling of 30105122 in words is "thirty million, one hundred five thousand, one hundred twenty-two".

Divisors: 1 2 163 326 92347 184694 15052561 30105122