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42306486 = 2347712113
BaseRepresentation
bin1010000101100…
…0101110110110
32221121101120220
42201120232312
541312301421
64110435210
71022412345
oct241305666
987541526
1042306486
1121976542
1212202b06
1389c3631
145893b5c
153aaa3c6
hex2858bb6

42306486 has 32 divisors (see below), whose sum is σ = 87671808. Its totient is φ = 13601280.

The previous prime is 42306469. The next prime is 42306491. The reversal of 42306486 is 68460324.

42306486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18966 + ... + 21078.

It is an arithmetic number, because the mean of its divisors is an integer number (2739744).

Almost surely, 242306486 is an apocalyptic number.

42306486 is an abundant number, since it is smaller than the sum of its proper divisors (45365322).

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

42306486 is a wasteful number, since it uses less digits than its factorization.

42306486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 42306486 is about 6504.3436256090. The cubic root of 42306486 is about 348.4461347750.

The spelling of 42306486 in words is "forty-two million, three hundred six thousand, four hundred eighty-six".

Divisors: 1 2 3 6 47 71 94 141 142 213 282 426 2113 3337 4226 6339 6674 10011 12678 20022 99311 150023 198622 297933 300046 450069 595866 900138 7051081 14102162 21153243 42306486