Search a number
-
+
117544141 = 11131934259
BaseRepresentation
bin1110000000110…
…01010011001101
322012011212020201
413000121103031
5220042403031
615355213501
72625052201
oct700312315
9265155221
10117544141
1160394720
1233447291
131b477160
141187ab01
15a4bcd61
hex70194cd

117544141 has 16 divisors (see below), whose sum is σ = 138841920. Its totient is φ = 98104320.

The previous prime is 117544129. The next prime is 117544177. The reversal of 117544141 is 141445711.

It is a cyclic number.

It is not a de Polignac number, because 117544141 - 217 = 117413069 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 (117544111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25470 + ... + 29728.

It is an arithmetic number, because the mean of its divisors is an integer number (8677620).

Almost surely, 2117544141 is an apocalyptic number.

117544141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117544141 is a deficient number, since it is larger than the sum of its proper divisors (21297779).

117544141 is a wasteful number, since it uses less digits than its factorization.

117544141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476.

The product of its digits is 2240, while the sum is 28.

The square root of 117544141 is about 10841.7775756561. Note that the first 3 decimals coincide. The cubic root of 117544141 is about 489.8543798854.

Adding to 117544141 its reverse (141445711), we get a palindrome (258989852).

The spelling of 117544141 in words is "one hundred seventeen million, five hundred forty-four thousand, one hundred forty-one".

Divisors: 1 11 13 143 193 2123 2509 4259 27599 46849 55367 609037 821987 9041857 10685831 117544141