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30340533 = 341972543
BaseRepresentation
bin111001110111…
…1010110110101
32010002110101110
41303233112311
530231344113
63002145233
7515614236
oct163572665
963073343
1030340533
1116143323
12a1b2219
136393ca2
14405b08d
1529e4bc3
hex1cef5b5

30340533 has 16 divisors (see below), whose sum is σ = 41884416. Its totient is φ = 19522560.

The previous prime is 30340507. The next prime is 30340543. The reversal of 30340533 is 33504303.

It is not a de Polignac number, because 30340533 - 29 = 30340021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340543) 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 15 ways as a sum of consecutive naturals, for example, 10660 + ... + 13202.

It is an arithmetic number, because the mean of its divisors is an integer number (2617776).

Almost surely, 230340533 is an apocalyptic number.

It is an amenable number.

30340533 is a deficient number, since it is larger than the sum of its proper divisors (11543883).

30340533 is a wasteful number, since it uses less digits than its factorization.

30340533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 1620, while the sum is 21.

The square root of 30340533 is about 5508.2241239804. The cubic root of 30340533 is about 311.8945135668.

Adding to 30340533 its reverse (33504303), we get a palindrome (63844836).

The spelling of 30340533 in words is "thirty million, three hundred forty thousand, five hundred thirty-three".

Divisors: 1 3 41 97 123 291 2543 3977 7629 11931 104263 246671 312789 740013 10113511 30340533