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30162214 = 215081107
BaseRepresentation
bin111001100001…
…1110100100110
32002202101210001
41303003310212
530210142324
62554251514
7514242325
oct163036446
962671701
1030162214
1116031355
12a126b9a
136330a84
1440120bc
1529abe44
hex1cc3d26

30162214 has 4 divisors (see below), whose sum is σ = 45243324. Its totient is φ = 15081106.

The previous prime is 30162193. The next prime is 30162227. The reversal of 30162214 is 41226103.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 30162191 and 30162200.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7540552 + ... + 7540555.

It is an arithmetic number, because the mean of its divisors is an integer number (11310831).

Almost surely, 230162214 is an apocalyptic number.

30162214 is a deficient number, since it is larger than the sum of its proper divisors (15081110).

30162214 is a wasteful number, since it uses less digits than its factorization.

30162214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15081109.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 30162214 is about 5492.0136562103. The cubic root of 30162214 is about 311.2822848937.

Adding to 30162214 its reverse (41226103), we get a palindrome (71388317).

The spelling of 30162214 in words is "thirty million, one hundred sixty-two thousand, two hundred fourteen".

Divisors: 1 2 15081107 30162214