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44872387 = 72915763
BaseRepresentation
bin1010101100101…
…1001011000011
310010102202100021
42223023023003
542441404022
64241434311
71053260200
oct253131303
9103382307
1044872387
112336931a
121303b997
1393b1511
145d60ca7
153e157c7
hex2acb2c3

44872387 has 6 divisors (see below), whose sum is σ = 52198548. Its totient is φ = 38462004.

The previous prime is 44872369. The next prime is 44872403. The reversal of 44872387 is 78327844.

44872387 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 44872387 - 223 = 36483779 is a prime.

It is a super-2 number, since 2×448723872 = 4027062230155538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44872787) 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, 457833 + ... + 457930.

It is an arithmetic number, because the mean of its divisors is an integer number (8699758).

Almost surely, 244872387 is an apocalyptic number.

44872387 is a deficient number, since it is larger than the sum of its proper divisors (7326161).

44872387 is an equidigital number, since it uses as much as digits as its factorization.

44872387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915777 (or 915770 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 44872387 is about 6698.6854680601. The cubic root of 44872387 is about 355.3527855814.

The spelling of 44872387 in words is "forty-four million, eight hundred seventy-two thousand, three hundred eighty-seven".

Divisors: 1 7 49 915763 6410341 44872387