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30122234 = 215061117
BaseRepresentation
bin111001011101…
…0000011111010
32002200100221022
41302322003322
530202402414
62553342442
7514014632
oct162720372
962610838
1030122234
111600430a
12a107a22
13631880c
1440016c2
1529a018e
hex1cba0fa

30122234 has 4 divisors (see below), whose sum is σ = 45183354. Its totient is φ = 15061116.

The previous prime is 30122221. The next prime is 30122243. The reversal of 30122234 is 43222103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43222103 = 221319531.

It can be written as a sum of positive squares in only one way, i.e., 29214025 + 908209 = 5405^2 + 953^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530557 + ... + 7530560.

Almost surely, 230122234 is an apocalyptic number.

30122234 is a deficient number, since it is larger than the sum of its proper divisors (15061120).

30122234 is a wasteful number, since it uses less digits than its factorization.

30122234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15061119.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30122234 is about 5488.3726185455. The cubic root of 30122234 is about 311.1446892424.

Adding to 30122234 its reverse (43222103), we get a palindrome (73344337).

The spelling of 30122234 in words is "thirty million, one hundred twenty-two thousand, two hundred thirty-four".

Divisors: 1 2 15061117 30122234