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117245 = 5131179
BaseRepresentation
bin11100100111111101
312221211102
4130213331
512222440
62302445
7665552
oct344775
9187742
10117245
11800a7
1257a25
134149b
1430a29
1524b15
hex1c9fd

117245 has 8 divisors (see below), whose sum is σ = 142560. Its totient is φ = 92560.

The previous prime is 117241. The next prime is 117251. The reversal of 117245 is 542711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117245 - 22 = 117241 is a prime.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566 + ... + 744.

It is an arithmetic number, because the mean of its divisors is an integer number (17820).

2117245 is an apocalyptic number.

It is an amenable number.

117245 is a deficient number, since it is larger than the sum of its proper divisors (25315).

117245 is a wasteful number, since it uses less digits than its factorization.

117245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its digits is 280, while the sum is 20.

The square root of 117245 is about 342.4105722667. The cubic root of 117245 is about 48.9438479353.

Adding to 117245 its reverse (542711), we get a palindrome (659956).

The spelling of 117245 in words is "one hundred seventeen thousand, two hundred forty-five".

Divisors: 1 5 131 179 655 895 23449 117245