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30334147 = 160118947
BaseRepresentation
bin111001110110…
…1110011000011
32010002010121221
41303231303003
530231143042
63002055511
7515556514
oct163556303
963063557
1030334147
1116139548
12a1aa597
1363910cc
144058a0b
1529e2d67
hex1cedcc3

30334147 has 4 divisors (see below), whose sum is σ = 30354696. Its totient is φ = 30313600.

The previous prime is 30334133. The next prime is 30334153. The reversal of 30334147 is 74143303.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30334147 - 215 = 30301379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30334247) 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, 7873 + ... + 11074.

It is an arithmetic number, because the mean of its divisors is an integer number (7588674).

Almost surely, 230334147 is an apocalyptic number.

30334147 is a deficient number, since it is larger than the sum of its proper divisors (20549).

30334147 is a wasteful number, since it uses less digits than its factorization.

30334147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20548.

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

The square root of 30334147 is about 5507.6444148111. The cubic root of 30334147 is about 311.8726297706.

The spelling of 30334147 in words is "thirty million, three hundred thirty-four thousand, one hundred forty-seven".

Divisors: 1 1601 18947 30334147