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107789745 = 3576116829
BaseRepresentation
bin1100110110010…
…11110110110001
321111211021201210
412123023312301
5210043232440
614410150333
72446124550
oct633136661
9244737653
10107789745
1155932038
12301223a9
131944031b
141045bd97
1596e2a80
hex66cbdb1

107789745 has 32 divisors (see below), whose sum is σ = 200344320. Its totient is φ = 48464640.

The previous prime is 107789713. The next prime is 107789749. The reversal of 107789745 is 547987701.

It is not a de Polignac number, because 107789745 - 25 = 107789713 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 107789694 and 107789703.

It is not an unprimeable number, because it can be changed into a prime (107789749) 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, 2010 + ... + 14819.

It is an arithmetic number, because the mean of its divisors is an integer number (6260760).

Almost surely, 2107789745 is an apocalyptic number.

107789745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

107789745 is a deficient number, since it is larger than the sum of its proper divisors (92554575).

107789745 is a wasteful number, since it uses less digits than its factorization.

107789745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905.

The product of its (nonzero) digits is 493920, while the sum is 48.

The square root of 107789745 is about 10382.1840187891. The cubic root of 107789745 is about 475.9110787102.

The spelling of 107789745 in words is "one hundred seven million, seven hundred eighty-nine thousand, seven hundred forty-five".

Divisors: 1 3 5 7 15 21 35 61 105 183 305 427 915 1281 2135 6405 16829 50487 84145 117803 252435 353409 589015 1026569 1767045 3079707 5132845 7185983 15398535 21557949 35929915 107789745