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44442424025 = 521777696961
BaseRepresentation
bin101001011000111110…
…011001001011011001
311020201021021001121122
4221120332121023121
51212004230032100
632225551215025
73132216241226
oct513076311331
9136637231548
1044442424025
1117936653a5a
128743817475
13426354a52c
1422185aa94d
151251a00985
hexa58f992d9

44442424025 has 6 divisors (see below), whose sum is σ = 55108605822. Its totient is φ = 35553939200.

The previous prime is 44442424021. The next prime is 44442424043. The reversal of 44442424025 is 52042424444.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15514197136 + 28928226889 = 124556^2 + 170083^2 .

It is not a de Polignac number, because 44442424025 - 22 = 44442424021 is a prime.

It is a super-3 number, since 3×444424240253 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44442424021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 888848456 + ... + 888848505.

It is an arithmetic number, because the mean of its divisors is an integer number (9184767637).

Almost surely, 244442424025 is an apocalyptic number.

It is an amenable number.

44442424025 is a deficient number, since it is larger than the sum of its proper divisors (10666181797).

44442424025 is a wasteful number, since it uses less digits than its factorization.

44442424025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777696971 (or 1777696966 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 44442424025 its reverse (52042424444), we get a palindrome (96484848469).

The spelling of 44442424025 in words is "forty-four billion, four hundred forty-two million, four hundred twenty-four thousand, twenty-five".

Divisors: 1 5 25 1777696961 8888484805 44442424025