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44138841 = 3291812803
BaseRepresentation
bin1010100001100…
…0000101011001
310002001111002220
42220120011121
542244420331
64214014253
71044113445
oct250300531
9102044086
1044138841
1122a0818a
1212947389
1391b5676
145c0d825
153d1d296
hex2a18159

44138841 has 16 divisors (see below), whose sum is σ = 61239360. Its totient is φ = 28244160.

The previous prime is 44138839. The next prime is 44138867. The reversal of 44138841 is 14883144.

It is not a de Polignac number, because 44138841 - 21 = 44138839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44138741) 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, 14346 + ... + 17148.

It is an arithmetic number, because the mean of its divisors is an integer number (3827460).

Almost surely, 244138841 is an apocalyptic number.

It is an amenable number.

44138841 is a deficient number, since it is larger than the sum of its proper divisors (17100519).

44138841 is a wasteful number, since it uses less digits than its factorization.

44138841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016.

The product of its digits is 12288, while the sum is 33.

The square root of 44138841 is about 6643.7068719202. The cubic root of 44138841 is about 353.4057747714.

The spelling of 44138841 in words is "forty-four million, one hundred thirty-eight thousand, eight hundred forty-one".

Divisors: 1 3 29 87 181 543 2803 5249 8409 15747 81287 243861 507343 1522029 14712947 44138841