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42830034 = 23133117713
BaseRepresentation
bin1010001101100…
…0100011010010
32222120222202120
42203120203102
541431030114
64125555110
71030022622
oct243304322
988528676
1042830034
11221a3925
1212415a96
138b47a20
14598c882
153b605a9
hex28d88d2

42830034 has 32 divisors (see below), whose sum is σ = 95230464. Its totient is φ = 12752640.

The previous prime is 42830033. The next prime is 42830041. The reversal of 42830034 is 43003824.

It is a junction number, because it is equal to n+sod(n) for n = 42829986 and 42830013.

It is not an unprimeable number, because it can be changed into a prime (42830033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6439 + ... + 11274.

It is an arithmetic number, because the mean of its divisors is an integer number (2975952).

Almost surely, 242830034 is an apocalyptic number.

42830034 is an abundant number, since it is smaller than the sum of its proper divisors (52400430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42830034 is a wasteful number, since it uses less digits than its factorization.

42830034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17762.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42830034 is about 6544.4659063976. The cubic root of 42830034 is about 349.8776007379.

Adding to 42830034 its reverse (43003824), we get a palindrome (85833858).

The spelling of 42830034 in words is "forty-two million, eight hundred thirty thousand, thirty-four".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 17713 35426 53139 106278 230269 460538 549103 690807 1098206 1381614 1647309 3294618 7138339 14276678 21415017 42830034