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30334149 = 331123487
BaseRepresentation
bin111001110110…
…1110011000101
32010002010122000
41303231303011
530231143044
63002055513
7515556516
oct163556305
963063560
1030334149
111613954a
12a1aa599
136391101
144058a0d
1529e2d69
hex1cedcc5

30334149 has 8 divisors (see below), whose sum is σ = 44939520. Its totient is φ = 20222748.

The previous prime is 30334133. The next prime is 30334153. The reversal of 30334149 is 94143303.

It is not a de Polignac number, because 30334149 - 24 = 30334133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1123487 = 30334149 / (3 + 0 + 3 + 3 + 4 + 1 + 4 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30334159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561717 + ... + 561770.

It is an arithmetic number, because the mean of its divisors is an integer number (5617440).

Almost surely, 230334149 is an apocalyptic number.

It is an amenable number.

30334149 is a deficient number, since it is larger than the sum of its proper divisors (14605371).

30334149 is a wasteful number, since it uses less digits than its factorization.

30334149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123496 (or 1123490 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30334149 is about 5507.6445963769. The cubic root of 30334149 is about 311.8726366248.

The spelling of 30334149 in words is "thirty million, three hundred thirty-four thousand, one hundred forty-nine".

Divisors: 1 3 9 27 1123487 3370461 10111383 30334149