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117249 = 31121719
BaseRepresentation
bin11100101000000001
312221211120
4130220001
512222444
62302453
7665556
oct345001
9187746
10117249
1180100
1257a29
13414a2
1430a2d
1524b19
hex1ca01

117249 has 24 divisors (see below), whose sum is σ = 191520. Its totient is φ = 63360.

The previous prime is 117241. The next prime is 117251. The reversal of 117249 is 942711.

It is not a de Polignac number, because 117249 - 23 = 117241 is a prime.

It is a Curzon number.

It is a plaindrome in base 5.

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 23 ways as a sum of consecutive naturals, for example, 6162 + ... + 6180.

It is an arithmetic number, because the mean of its divisors is an integer number (7980).

It is a Proth number, since it is equal to 229 ⋅ 29 + 1 and 229 < 29.

2117249 is an apocalyptic number.

117249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117249 is a deficient number, since it is larger than the sum of its proper divisors (74271).

117249 is a wasteful number, since it uses less digits than its factorization.

117249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 50 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 117249 is about 342.4164131580. The cubic root of 117249 is about 48.9444045281.

It can be divided in two parts, 1172 and 49, that added together give a palindrome (1221).

The spelling of 117249 in words is "one hundred seventeen thousand, two hundred forty-nine".

Divisors: 1 3 11 17 19 33 51 57 121 187 209 323 363 561 627 969 2057 2299 3553 6171 6897 10659 39083 117249