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42083751 = 314027917
BaseRepresentation
bin1010000010001…
…0010110100111
32221012002001110
42200202112213
541233140001
64102000103
71020464103
oct240422647
987162043
1042083751
1121834166
1212116033
138946138
145836903
153a643d6
hex28225a7

42083751 has 4 divisors (see below), whose sum is σ = 56111672. Its totient is φ = 28055832.

The previous prime is 42083737. The next prime is 42083773. The reversal of 42083751 is 15738024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42083751 - 27 = 42083623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42083711) 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 3 ways as a sum of consecutive naturals, for example, 7013956 + ... + 7013961.

It is an arithmetic number, because the mean of its divisors is an integer number (14027918).

Almost surely, 242083751 is an apocalyptic number.

42083751 is a deficient number, since it is larger than the sum of its proper divisors (14027921).

42083751 is a wasteful number, since it uses less digits than its factorization.

42083751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027920.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 42083751 is about 6487.1990103588. The cubic root of 42083751 is about 347.8335592636.

The spelling of 42083751 in words is "forty-two million, eighty-three thousand, seven hundred fifty-one".

Divisors: 1 3 14027917 42083751