Search a number
-
+
117283447 = 19311731151
BaseRepresentation
bin1101111110110…
…01101001110111
322011200121122101
412333121221313
5220011032242
615345442531
72622615151
oct677315167
9264617571
10117283447
1160226876
1233340447
131b3b55b8
141180dad1
15a46a9b7
hex6fd9a77

117283447 has 16 divisors (see below), whose sum is σ = 128286720. Its totient is φ = 106812000.

The previous prime is 117283429. The next prime is 117283457. The reversal of 117283447 is 744382711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117283447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117283427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101322 + ... + 102472.

It is an arithmetic number, because the mean of its divisors is an integer number (8017920).

Almost surely, 2117283447 is an apocalyptic number.

117283447 is a deficient number, since it is larger than the sum of its proper divisors (11003273).

117283447 is a wasteful number, since it uses less digits than its factorization.

117283447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its digits is 37632, while the sum is 37.

The square root of 117283447 is about 10829.7482426878. The cubic root of 117283447 is about 489.4919724224.

The spelling of 117283447 in words is "one hundred seventeen million, two hundred eighty-three thousand, four hundred forty-seven".

Divisors: 1 19 31 173 589 1151 3287 5363 21869 35681 101897 199123 677939 3783337 6172813 117283447