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113530111 = 197381853
BaseRepresentation
bin1101100010001…
…01010011111111
321220121221000221
412301011103333
5213030430421
615133202211
72545663402
oct661052377
9256557027
10113530111
11590a2942
1232030367
131a6a00a6
1411113d39
159e78841
hex6c454ff

113530111 has 8 divisors (see below), whose sum is σ = 121143920. Its totient is φ = 106080192.

The previous prime is 113530069. The next prime is 113530117. The reversal of 113530111 is 111035311.

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

It is not a de Polignac number, because 113530111 - 29 = 113529599 is a prime.

It is a super-2 number, since 2×1135301112 = 25778172207344642, 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 (113530117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39540 + ... + 42313.

It is an arithmetic number, because the mean of its divisors is an integer number (15142990).

Almost surely, 2113530111 is an apocalyptic number.

113530111 is a deficient number, since it is larger than the sum of its proper divisors (7613809).

113530111 is an equidigital number, since it uses as much as digits as its factorization.

113530111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81945.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 113530111 is about 10655.0509618678. The cubic root of 113530111 is about 484.2136419370.

Adding to 113530111 its reverse (111035311), we get a palindrome (224565422).

The spelling of 113530111 in words is "one hundred thirteen million, five hundred thirty thousand, one hundred eleven".

Divisors: 1 19 73 1387 81853 1555207 5975269 113530111