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30000467 = 731138251
BaseRepresentation
bin111001001110…
…0010101010011
32002110011220102
41302130111103
530140003332
62551003015
7512666630
oct162342523
962404812
1030000467
1115a30882
12a06946b
1362a5273
143dad187
152979062
hex1c9c553

30000467 has 8 divisors (see below), whose sum is σ = 35392512. Its totient is φ = 24885000.

The previous prime is 30000457. The next prime is 30000473. The reversal of 30000467 is 76400003.

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

It is not a de Polignac number, because 30000467 - 210 = 29999443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30000457) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 68909 + ... + 69342.

It is an arithmetic number, because the mean of its divisors is an integer number (4424064).

Almost surely, 230000467 is an apocalyptic number.

30000467 is a deficient number, since it is larger than the sum of its proper divisors (5392045).

30000467 is a wasteful number, since it uses less digits than its factorization.

30000467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138289.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30000467 is about 5477.2682059581. The cubic root of 30000467 is about 310.7248628954.

The spelling of 30000467 in words is "thirty million, four hundred sixty-seven", and thus it is an aban number.

Divisors: 1 7 31 217 138251 967757 4285781 30000467