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39872119 = 75696017
BaseRepresentation
bin1001100000011…
…0011001110111
32210000201021011
42120012121313
540201401434
63542333051
7662623150
oct230063167
983021234
1039872119
1120563571
121142a187
138350591
14541c927
153778e64
hex2606677

39872119 has 4 divisors (see below), whose sum is σ = 45568144. Its totient is φ = 34176096.

The previous prime is 39872117. The next prime is 39872149. The reversal of 39872119 is 91127893.

39872119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39872119 - 21 = 39872117 is a prime.

It is a super-2 number, since 2×398721192 = 3179571747100322, 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 (39872117) 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 3 ways as a sum of consecutive naturals, for example, 2848002 + ... + 2848015.

It is an arithmetic number, because the mean of its divisors is an integer number (11392036).

Almost surely, 239872119 is an apocalyptic number.

39872119 is a deficient number, since it is larger than the sum of its proper divisors (5696025).

39872119 is an equidigital number, since it uses as much as digits as its factorization.

39872119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696024.

The product of its digits is 27216, while the sum is 40.

The square root of 39872119 is about 6314.4373462724. The cubic root of 39872119 is about 341.6303445293.

The spelling of 39872119 in words is "thirty-nine million, eight hundred seventy-two thousand, one hundred nineteen".

Divisors: 1 7 5696017 39872119