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107917 = 311347
BaseRepresentation
bin11010010110001101
312111000221
4122112031
511423132
62151341
7626425
oct322615
9174027
10107917
1174097
1252551
133a174
142b485
1521e97
hex1a58d

107917 has 4 divisors (see below), whose sum is σ = 108576. Its totient is φ = 107260.

The previous prime is 107903. The next prime is 107923. The reversal of 107917 is 719701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 719701 = 1937879.

It is a cyclic number.

It is not a de Polignac number, because 107917 - 215 = 75149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107891 and 107900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107927) 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, 138 + ... + 484.

It is an arithmetic number, because the mean of its divisors is an integer number (27144).

2107917 is an apocalyptic number.

It is an amenable number.

107917 is a deficient number, since it is larger than the sum of its proper divisors (659).

107917 is an equidigital number, since it uses as much as digits as its factorization.

107917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 441, while the sum is 25.

The square root of 107917 is about 328.5072297530. The cubic root of 107917 is about 47.6098289615.

It can be divided in two parts, 107 and 917, that added together give a 10-th power (1024 = 210).

The spelling of 107917 in words is "one hundred seven thousand, nine hundred seventeen".

Divisors: 1 311 347 107917