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30242043 = 3213259337
BaseRepresentation
bin111001101011…
…1010011111011
32002220110021200
41303113103323
530220221133
63000105243
7515024136
oct163272373
962813250
1030242043
1116086327
12a165223
13635b200
14403321d
1529c5913
hex1cd74fb

30242043 has 36 divisors (see below), whose sum is σ = 48246120. Its totient is φ = 18240768.

The previous prime is 30242039. The next prime is 30242057. The reversal of 30242043 is 34024203.

It is not a de Polignac number, because 30242043 - 22 = 30242039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30242843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 89571 + ... + 89907.

It is an arithmetic number, because the mean of its divisors is an integer number (1340170).

Almost surely, 230242043 is an apocalyptic number.

30242043 is a deficient number, since it is larger than the sum of its proper divisors (18004077).

30242043 is a wasteful number, since it uses less digits than its factorization.

30242043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 30242043 is about 5499.2765887887. The cubic root of 30242043 is about 311.5566620016.

Adding to 30242043 its reverse (34024203), we get a palindrome (64266246).

The spelling of 30242043 in words is "thirty million, two hundred forty-two thousand, forty-three".

Divisors: 1 3 9 13 39 59 117 169 177 337 507 531 767 1011 1521 2301 3033 4381 6903 9971 13143 19883 29913 39429 56953 59649 89739 170859 178947 258479 512577 775437 2326311 3360227 10080681 30242043