Search a number
-
+
115331115 = 3529265129
BaseRepresentation
bin1101101111111…
…01000000101011
322001000102112210
412313331000223
5214011043430
615235540203
72600204214
oct667750053
9261012483
10115331115
115a112a79
123275a663
131ab80a83
141146240b
15a1d22b0
hex6dfd02b

115331115 has 16 divisors (see below), whose sum is σ = 190893600. Its totient is φ = 59388672.

The previous prime is 115331093. The next prime is 115331143. The reversal of 115331115 is 511133511.

It is not a de Polignac number, because 115331115 - 29 = 115330603 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 115331091 and 115331100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132130 + ... + 132999.

It is an arithmetic number, because the mean of its divisors is an integer number (11930850).

Almost surely, 2115331115 is an apocalyptic number.

115331115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115331115 is a deficient number, since it is larger than the sum of its proper divisors (75562485).

115331115 is a wasteful number, since it uses less digits than its factorization.

115331115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265166.

The product of its digits is 225, while the sum is 21.

The square root of 115331115 is about 10739.2325144770. The cubic root of 115331115 is about 486.7606887106.

Adding to 115331115 its reverse (511133511), we get a palindrome (626464626).

The spelling of 115331115 in words is "one hundred fifteen million, three hundred thirty-one thousand, one hundred fifteen".

Divisors: 1 3 5 15 29 87 145 435 265129 795387 1325645 3976935 7688741 23066223 38443705 115331115