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42082076 = 2244923431
BaseRepresentation
bin1010000010000…
…1111100011100
32221011222202102
42200201330130
541233111301
64101544232
71020456161
oct240417434
987158672
1042082076
1121832983
1212115078
13894544a
145836068
153a63b6b
hex2821f1c

42082076 has 12 divisors (see below), whose sum is σ = 73810800. Its totient is φ = 20993280.

The previous prime is 42082069. The next prime is 42082081. The reversal of 42082076 is 67028024.

It is a super-2 number, since 2×420820762 = 3541802240939552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9920 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (6150900).

Almost surely, 242082076 is an apocalyptic number.

It is an amenable number.

42082076 is a deficient number, since it is larger than the sum of its proper divisors (31728724).

42082076 is a wasteful number, since it uses less digits than its factorization.

42082076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23884 (or 23882 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 42082076 is about 6487.0699086722. The cubic root of 42082076 is about 347.8289444267.

The spelling of 42082076 in words is "forty-two million, eighty-two thousand, seventy-six".

Divisors: 1 2 4 449 898 1796 23431 46862 93724 10520519 21041038 42082076