Search a number
-
+
113117215 = 560137643
BaseRepresentation
bin1101011111000…
…00100000011111
321212211221122111
412233200200133
5212424222330
615120254451
72542323541
oct657404037
9255757574
10113117215
1158940702
1231a71427
131a587183
1411047691
159de632a
hex6be081f

113117215 has 8 divisors (see below), whose sum is σ = 135970128. Its totient is φ = 90340800.

The previous prime is 113117189. The next prime is 113117327. The reversal of 113117215 is 512711311.

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

It is not a de Polignac number, because 113117215 - 219 = 112592927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15817 + ... + 21826.

It is an arithmetic number, because the mean of its divisors is an integer number (16996266).

Almost surely, 2113117215 is an apocalyptic number.

113117215 is a deficient number, since it is larger than the sum of its proper divisors (22852913).

113117215 is an equidigital number, since it uses as much as digits as its factorization.

113117215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38249.

The product of its digits is 210, while the sum is 22.

The square root of 113117215 is about 10635.6577135596. The cubic root of 113117215 is about 483.6259190294.

Adding to 113117215 its reverse (512711311), we get a palindrome (625828526).

The spelling of 113117215 in words is "one hundred thirteen million, one hundred seventeen thousand, two hundred fifteen".

Divisors: 1 5 601 3005 37643 188215 22623443 113117215