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44662189 = 1121328393
BaseRepresentation
bin1010101001011…
…1110110101101
310010001002000011
42222113312231
542413142224
64233133221
71051423315
oct252276655
9103032004
1044662189
1123235400
1212b5a211
139339940
145d08445
153dc3394
hex2a97dad

44662189 has 12 divisors (see below), whose sum is σ = 52869628. Its totient is φ = 37477440.

The previous prime is 44662181. The next prime is 44662193. The reversal of 44662189 is 98126644.

It can be written as a sum of positive squares in 2 ways, for example, as 27646564 + 17015625 = 5258^2 + 4125^2 .

It is not a de Polignac number, because 44662189 - 23 = 44662181 is a prime.

It is a super-2 number, since 2×446621892 = 3989422252543442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44662181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12624 + ... + 15769.

Almost surely, 244662189 is an apocalyptic number.

It is an amenable number.

44662189 is a deficient number, since it is larger than the sum of its proper divisors (8207439).

44662189 is a wasteful number, since it uses less digits than its factorization.

44662189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28428 (or 28417 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 44662189 is about 6682.9775549526. The cubic root of 44662189 is about 354.7970512277.

The spelling of 44662189 in words is "forty-four million, six hundred sixty-two thousand, one hundred eighty-nine".

Divisors: 1 11 13 121 143 1573 28393 312323 369109 3435553 4060199 44662189