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44020641 = 372096221
BaseRepresentation
bin1010011111101…
…1001110100001
310001211110222010
42213323032201
542232130031
64211303133
71043112030
oct247731641
9101743863
1044020641
11229373a5
12128aaaa9
139173922
145bbc717
153ce8246
hex29fb3a1

44020641 has 8 divisors (see below), whose sum is σ = 67079104. Its totient is φ = 25154640.

The previous prime is 44020621. The next prime is 44020649. The reversal of 44020641 is 14602044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44020641 - 25 = 44020609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2096221 = 44020641 / (4 + 4 + 0 + 2 + 0 + 6 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44020649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048090 + ... + 1048131.

It is an arithmetic number, because the mean of its divisors is an integer number (8384888).

Almost surely, 244020641 is an apocalyptic number.

It is an amenable number.

44020641 is a deficient number, since it is larger than the sum of its proper divisors (23058463).

44020641 is a wasteful number, since it uses less digits than its factorization.

44020641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096231.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 44020641 is about 6634.8052721990. The cubic root of 44020641 is about 353.0900293873.

Adding to 44020641 its reverse (14602044), we get a palindrome (58622685).

The spelling of 44020641 in words is "forty-four million, twenty thousand, six hundred forty-one".

Divisors: 1 3 7 21 2096221 6288663 14673547 44020641