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44455541 = 13109137229
BaseRepresentation
bin1010100110010…
…1011001110101
310002122120112112
42221211121311
542340034131
64224500405
71046602664
oct251453165
9102576475
1044455541
1123104119
1212a7a705
139296870
145c92ddb
153d8202b
hex2a65675

44455541 has 16 divisors (see below), whose sum is σ = 48879600. Its totient is φ = 40186368.

The previous prime is 44455517. The next prime is 44455577. The reversal of 44455541 is 14555444.

It can be written as a sum of positive squares in 8 ways, for example, as 1932100 + 42523441 = 1390^2 + 6521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44455541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44455498 and 44455507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44455141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194015 + ... + 194243.

It is an arithmetic number, because the mean of its divisors is an integer number (3054975).

Almost surely, 244455541 is an apocalyptic number.

It is an amenable number.

44455541 is a deficient number, since it is larger than the sum of its proper divisors (4424059).

44455541 is a wasteful number, since it uses less digits than its factorization.

44455541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its digits is 32000, while the sum is 32.

The square root of 44455541 is about 6667.4988563929. The cubic root of 44455541 is about 354.2490002324.

The spelling of 44455541 in words is "forty-four million, four hundred fifty-five thousand, five hundred forty-one".

Divisors: 1 13 109 137 229 1417 1781 2977 14933 24961 31373 194129 324493 407849 3419657 44455541