Search a number
-
+
113330231 = 7192929383
BaseRepresentation
bin1101100000101…
…00100000110111
321220020202211222
412300110200313
5213003031411
615125020555
72544201560
oct660244067
9256222758
10113330231
1158a76753
1231b5475b
131a630111
14110a1167
159e394db
hex6c14837

113330231 has 16 divisors (see below), whose sum is σ = 141043200. Its totient is φ = 88851168.

The previous prime is 113330221. The next prime is 113330233. The reversal of 113330231 is 132033311.

It is a de Polignac number, because none of the positive numbers 2k-113330231 is a prime.

It is a super-2 number, since 2×1133302312 = 25687482517026722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113330233) 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, 10835 + ... + 18548.

It is an arithmetic number, because the mean of its divisors is an integer number (8815200).

Almost surely, 2113330231 is an apocalyptic number.

113330231 is a deficient number, since it is larger than the sum of its proper divisors (27712969).

113330231 is a wasteful number, since it uses less digits than its factorization.

113330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29438.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 113330231 is about 10645.6672407135. The cubic root of 113330231 is about 483.9293077433.

Adding to 113330231 its reverse (132033311), we get a palindrome (245363542).

The spelling of 113330231 in words is "one hundred thirteen million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 7 19 29 133 203 551 3857 29383 205681 558277 852107 3907939 5964749 16190033 113330231