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42083719 = 61768207
BaseRepresentation
bin1010000010001…
…0010110000111
32221012002000021
42200202112013
541233134334
64102000011
71020464026
oct240422607
987162007
1042083719
1121834137
1212116007
138946112
1458368bd
153a643b4
hex2822587

42083719 has 4 divisors (see below), whose sum is σ = 42152544. Its totient is φ = 42014896.

The previous prime is 42083711. The next prime is 42083737. The reversal of 42083719 is 91738024.

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

It is a cyclic number.

It is not a de Polignac number, because 42083719 - 23 = 42083711 is a prime.

It is a super-2 number, since 2×420837192 = 3542078809741922, which contains 22 as substring.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33487 + ... + 34720.

It is an arithmetic number, because the mean of its divisors is an integer number (10538136).

Almost surely, 242083719 is an apocalyptic number.

42083719 is a deficient number, since it is larger than the sum of its proper divisors (68825).

42083719 is an equidigital number, since it uses as much as digits as its factorization.

42083719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68824.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 42083719 is about 6487.1965439626. The cubic root of 42083719 is about 347.8334711007.

The spelling of 42083719 in words is "forty-two million, eighty-three thousand, seven hundred nineteen".

Divisors: 1 617 68207 42083719