Search a number
-
+
117955541 = 1121150821
BaseRepresentation
bin1110000011111…
…01101111010101
322012221202120202
413001331233111
5220144034131
615412110245
72631414464
oct701755725
9265852522
10117955541
1160645820
1233605385
131b58c4a2
14119469db
15a54ebcb
hex707dbd5

117955541 has 8 divisors (see below), whose sum is σ = 129291168. Its totient is φ = 106722000.

The previous prime is 117955529. The next prime is 117955543. The reversal of 117955541 is 145559711.

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

It is a de Polignac number, because none of the positive numbers 2k-117955541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117955495 and 117955504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117955543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23090 + ... + 27731.

It is an arithmetic number, because the mean of its divisors is an integer number (16161396).

Almost surely, 2117955541 is an apocalyptic number.

117955541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117955541 is a deficient number, since it is larger than the sum of its proper divisors (11335627).

117955541 is a wasteful number, since it uses less digits than its factorization.

117955541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51043.

The product of its digits is 31500, while the sum is 38.

The square root of 117955541 is about 10860.7339070617. The cubic root of 117955541 is about 490.4252049815.

The spelling of 117955541 in words is "one hundred seventeen million, nine hundred fifty-five thousand, five hundred forty-one".

Divisors: 1 11 211 2321 50821 559031 10723231 117955541