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107944117 = 109990313
BaseRepresentation
bin1100110111100…
…01100010110101
321112010010111021
412123301202311
5210113202432
614413341141
72450336611
oct633614265
9245103437
10107944117
1155a28016
12301977b1
1319495678
141049c341
159723697
hex66f18b5

107944117 has 4 divisors (see below), whose sum is σ = 108934540. Its totient is φ = 106953696.

The previous prime is 107944079. The next prime is 107944157. The reversal of 107944117 is 711449701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711449701 = 977334533.

It can be written as a sum of positive squares in 2 ways, for example, as 65836996 + 42107121 = 8114^2 + 6489^2 .

It is a cyclic number.

It is not a de Polignac number, because 107944117 - 27 = 107943989 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 (107944157) 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, 495048 + ... + 495265.

It is an arithmetic number, because the mean of its divisors is an integer number (27233635).

Almost surely, 2107944117 is an apocalyptic number.

It is an amenable number.

107944117 is a deficient number, since it is larger than the sum of its proper divisors (990423).

107944117 is an equidigital number, since it uses as much as digits as its factorization.

107944117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990422.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 107944117 is about 10389.6158254288. The cubic root of 107944117 is about 476.1381637037.

The spelling of 107944117 in words is "one hundred seven million, nine hundred forty-four thousand, one hundred seventeen".

Divisors: 1 109 990313 107944117