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117505 = 571331
BaseRepresentation
bin11100101100000001
312222012001
4130230001
512230010
62304001
7666403
oct345401
9188161
10117505
1180313
1258001
134163b
1430b73
1524c3a
hex1cb01

117505 has 8 divisors (see below), whose sum is σ = 143424. Its totient is φ = 92400.

The previous prime is 117503. The next prime is 117511. The reversal of 117505 is 505711.

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

It is not a de Polignac number, because 117505 - 21 = 117503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190 + ... + 520.

It is an arithmetic number, because the mean of its divisors is an integer number (17928).

2117505 is an apocalyptic number.

It is an amenable number.

117505 is a deficient number, since it is larger than the sum of its proper divisors (25919).

117505 is an equidigital number, since it uses as much as digits as its factorization.

117505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 117505 is about 342.7900231920. The cubic root of 117505 is about 48.9800001678.

The spelling of 117505 in words is "one hundred seventeen thousand, five hundred five".

Divisors: 1 5 71 331 355 1655 23501 117505