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30304214 = 215152107
BaseRepresentation
bin111001110011…
…0011111010110
32010000121120022
41303212133112
530224213324
63001305142
7515403323
oct163463726
963017508
1030304214
1116119006
12a1951b2
1363805b5
14404bb4a
1529d905e
hex1ce67d6

30304214 has 4 divisors (see below), whose sum is σ = 45456324. Its totient is φ = 15152106.

The previous prime is 30304187. The next prime is 30304231. The reversal of 30304214 is 41240303.

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 = 30304192 and 30304201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7576052 + ... + 7576055.

It is an arithmetic number, because the mean of its divisors is an integer number (11364081).

Almost surely, 230304214 is an apocalyptic number.

30304214 is a deficient number, since it is larger than the sum of its proper divisors (15152110).

30304214 is a wasteful number, since it uses less digits than its factorization.

30304214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15152109.

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

The square root of 30304214 is about 5504.9263391984. The cubic root of 30304214 is about 311.7700132296.

Adding to 30304214 its reverse (41240303), we get a palindrome (71544517).

The spelling of 30304214 in words is "thirty million, three hundred four thousand, two hundred fourteen".

Divisors: 1 2 15152107 30304214