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107443287 = 3373671549
BaseRepresentation
bin1100110011101…
…11010001010111
321111011200111000
412121313101113
5210001141122
614354514343
72443152510
oct631672127
9244150430
10107443287
1155715806
122bb959b3
131934b713
14103aba07
1596750ac
hex6677457

107443287 has 32 divisors (see below), whose sum is σ = 182528000. Its totient is φ = 61189344.

The previous prime is 107443279. The next prime is 107443319. The reversal of 107443287 is 782344701.

It is a happy number.

It is not a de Polignac number, because 107443287 - 23 = 107443279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107443267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68589 + ... + 70137.

It is an arithmetic number, because the mean of its divisors is an integer number (5704000).

Almost surely, 2107443287 is an apocalyptic number.

107443287 is a deficient number, since it is larger than the sum of its proper divisors (75084713).

107443287 is a wasteful number, since it uses less digits than its factorization.

107443287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 107443287 is about 10365.4853721377. The cubic root of 107443287 is about 475.4006400081.

Adding to 107443287 its reverse (782344701), we get a palindrome (889787988).

The spelling of 107443287 in words is "one hundred seven million, four hundred forty-three thousand, two hundred eighty-seven".

Divisors: 1 3 7 9 21 27 63 189 367 1101 1549 2569 3303 4647 7707 9909 10843 13941 23121 32529 41823 69363 97587 292761 568483 1705449 3979381 5116347 11938143 15349041 35814429 107443287