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107281616 = 2413515777
BaseRepresentation
bin1100110010011…
…11110011010000
321110212110201012
412121033303100
5204431002431
614351230052
72441610251
oct631176320
9243773635
10107281616
11556152a2
122bb18328
13192c2c60
1410368b28
15964222b
hex664fcd0

107281616 has 20 divisors (see below), whose sum is σ = 223847652. Its totient is φ = 49514496.

The previous prime is 107281613. The next prime is 107281631. The reversal of 107281616 is 616182701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36048016 + 71233600 = 6004^2 + 8440^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107281613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257681 + ... + 258096.

Almost surely, 2107281616 is an apocalyptic number.

107281616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

107281616 is an abundant number, since it is smaller than the sum of its proper divisors (116566036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

107281616 is a wasteful number, since it uses less digits than its factorization.

107281616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515798 (or 515792 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 107281616 is about 10357.6839109909. The cubic root of 107281616 is about 475.1620735942.

The spelling of 107281616 in words is "one hundred seven million, two hundred eighty-one thousand, six hundred sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 208 515777 1031554 2063108 4126216 6705101 8252432 13410202 26820404 53640808 107281616