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30806067 = 310268689
BaseRepresentation
bin111010110000…
…1000000110011
32010222002222110
41311201000303
530341243232
63020140403
7522563415
oct165410063
963862873
1030806067
1116431066
12a397703
1364c7b56
14413c9b5
152a87acc
hex1d61033

30806067 has 4 divisors (see below), whose sum is σ = 41074760. Its totient is φ = 20537376.

The previous prime is 30806063. The next prime is 30806071. The reversal of 30806067 is 76060803.

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

It is an interprime number because it is at equal distance from previous prime (30806063) and next prime (30806071).

It is not a de Polignac number, because 30806067 - 22 = 30806063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30806063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5134342 + ... + 5134347.

It is an arithmetic number, because the mean of its divisors is an integer number (10268690).

Almost surely, 230806067 is an apocalyptic number.

30806067 is a deficient number, since it is larger than the sum of its proper divisors (10268693).

30806067 is a wasteful number, since it uses less digits than its factorization.

30806067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268692.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 30806067 is about 5550.3213420486. The cubic root of 30806067 is about 313.4816220031.

The spelling of 30806067 in words is "thirty million, eight hundred six thousand, sixty-seven".

Divisors: 1 3 10268689 30806067