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30347206 = 2129711699
BaseRepresentation
bin111001111000…
…0111111000110
32010002210112121
41303300333012
530232102311
63002240154
7515642551
oct163607706
963083477
1030347206
111614833a
12a1b605a
136397036
14405d698
1529e6b71
hex1cf0fc6

30347206 has 8 divisors (see below), whose sum is σ = 45559800. Its totient is φ = 15160608.

The previous prime is 30347201. The next prime is 30347209. The reversal of 30347206 is 60274303.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30347201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3256 + ... + 8443.

It is an arithmetic number, because the mean of its divisors is an integer number (5694975).

Almost surely, 230347206 is an apocalyptic number.

30347206 is a deficient number, since it is larger than the sum of its proper divisors (15212594).

30347206 is a wasteful number, since it uses less digits than its factorization.

30347206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12998.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 30347206 is about 5508.8298212960. The cubic root of 30347206 is about 311.9173775853.

The spelling of 30347206 in words is "thirty million, three hundred forty-seven thousand, two hundred six".

Divisors: 1 2 1297 2594 11699 23398 15173603 30347206