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44209201 = 6121092
BaseRepresentation
bin1010100010100…
…1010000110001
310002012001121211
42220221100301
542304143301
64215320121
71044525541
oct250512061
9102161554
1044209201
1122a56033
1212980041
13920b6ba
145c2b321
153d34051
hex2a29431

44209201 has 9 divisors (see below), whose sum is σ = 45361953. Its totient is φ = 43085520.

The previous prime is 44209199. The next prime is 44209229. The reversal of 44209201 is 10290244.

The square root of 44209201 is 6649.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6754801 + 37454400 = 2599^2 + 6120^2 .

It is not a de Polignac number, because 44209201 - 21 = 44209199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44209271) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 405535 + ... + 405643.

It is an arithmetic number, because the mean of its divisors is an integer number (5040217).

Almost surely, 244209201 is an apocalyptic number.

44209201 is the 6649-th square number.

44209201 is the 3325-th centered octagonal number.

It is an amenable number.

44209201 is a deficient number, since it is larger than the sum of its proper divisors (1152752).

44209201 is an frugal number, since it uses more digits than its factorization.

44209201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The cubic root of 44209201 is about 353.5934585211.

Multiplying 44209201 by its product of nonzero digits (576), we get a square (25464499776 = 1595762).

Adding to 44209201 its reverse (10290244), we get a palindrome (54499445).

The spelling of 44209201 in words is "forty-four million, two hundred nine thousand, two hundred one".

Divisors: 1 61 109 3721 6649 11881 405589 724741 44209201