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30221014 = 215110507
BaseRepresentation
bin111001101001…
…0001011010110
32002212101102211
41303102023112
530214033024
62555424034
7514605625
oct163221326
962771384
1030221014
111607154a
12a15501a
136351775
1440296bc
1529be594
hex1cd22d6

30221014 has 4 divisors (see below), whose sum is σ = 45331524. Its totient is φ = 15110506.

The previous prime is 30221003. The next prime is 30221033. The reversal of 30221014 is 41012203.

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 = 30220985 and 30221003.

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, 7555252 + ... + 7555255.

It is an arithmetic number, because the mean of its divisors is an integer number (11332881).

Almost surely, 230221014 is an apocalyptic number.

30221014 is a deficient number, since it is larger than the sum of its proper divisors (15110510).

30221014 is a wasteful number, since it uses less digits than its factorization.

30221014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15110509.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30221014 is about 5497.3642775425. The cubic root of 30221014 is about 311.4844309443.

Adding to 30221014 its reverse (41012203), we get a palindrome (71233217).

It can be divided in two parts, 302 and 21014, that added together give a square (21316 = 1462).

The spelling of 30221014 in words is "thirty million, two hundred twenty-one thousand, fourteen".

Divisors: 1 2 15110507 30221014