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30333028 = 22111574391
BaseRepresentation
bin111001110110…
…1100001100100
32010002002002111
41303231201210
530231124103
63002050404
7515553325
oct163554144
963062074
1030333028
1116138720
12a1a9a04
13639074b
14405844c
1529e286d
hex1ced864

30333028 has 24 divisors (see below), whose sum is σ = 58290624. Its totient is φ = 13696800.

The previous prime is 30333019. The next prime is 30333029. The reversal of 30333028 is 82033303.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (30333029) 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, 4713 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (2428776).

Almost surely, 230333028 is an apocalyptic number.

It is an amenable number.

30333028 is a deficient number, since it is larger than the sum of its proper divisors (27957596).

30333028 is a wasteful number, since it uses less digits than its factorization.

30333028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563 (or 4561 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 30333028 is about 5507.5428277953. The cubic root of 30333028 is about 311.8687948211.

The spelling of 30333028 in words is "thirty million, three hundred thirty-three thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 157 314 628 1727 3454 4391 6908 8782 17564 48301 96602 193204 689387 1378774 2757548 7583257 15166514 30333028