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42060987 = 324673443
BaseRepresentation
bin1010000001110…
…0110010111011
32221010220211100
42200130302323
541231422422
64101302443
71020340533
oct240346273
987126740
1042060987
1121819051
1212104a23
138938977
14582c4c3
153a5c7ac
hex281ccbb

42060987 has 6 divisors (see below), whose sum is σ = 60754772. Its totient is φ = 28040652.

The previous prime is 42060979. The next prime is 42060989. The reversal of 42060987 is 78906024.

42060987 is a `hidden beast` number, since 42 + 0 + 609 + 8 + 7 = 666.

42060987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42060987 - 23 = 42060979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42060989) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2336713 + ... + 2336730.

Almost surely, 242060987 is an apocalyptic number.

42060987 is a deficient number, since it is larger than the sum of its proper divisors (18693785).

42060987 is a wasteful number, since it uses less digits than its factorization.

42060987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673449 (or 4673446 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 42060987 is about 6485.4442407595. Note that the first 3 decimals coincide. The cubic root of 42060987 is about 347.7708310841.

The spelling of 42060987 in words is "forty-two million, sixty thousand, nine hundred eighty-seven".

Divisors: 1 3 9 4673443 14020329 42060987