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117808 = 2437199
BaseRepresentation
bin11100110000110000
312222121021
4130300300
512232213
62305224
71000315
oct346060
9188537
10117808
1180569
1258214
1341812
1430d0c
1524d8d
hex1cc30

117808 has 20 divisors (see below), whose sum is σ = 235600. Its totient is φ = 57024.

The previous prime is 117797. The next prime is 117809. The reversal of 117808 is 808711.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (117809) 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 3 ways as a sum of consecutive naturals, for example, 493 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (11780).

2117808 is an apocalyptic number.

It is an amenable number.

117808 is a deficient number, since it is larger than the sum of its proper divisors (117792).

117808 is a wasteful number, since it uses less digits than its factorization.

117808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 117808 is about 343.2317001677. The cubic root of 117808 is about 49.0220641990.

The spelling of 117808 in words is "one hundred seventeen thousand, eight hundred eight".

Divisors: 1 2 4 8 16 37 74 148 199 296 398 592 796 1592 3184 7363 14726 29452 58904 117808