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113345420 = 22543131797
BaseRepresentation
bin1101100000110…
…00001110001100
321220021112200112
412300120032030
5213004023140
615125215152
72544264056
oct660301614
9256245615
10113345420
1158a87101
1231b614b8
131a636cc6
14110a68d6
159e3dc65
hex6c1838c

113345420 has 24 divisors (see below), whose sum is σ = 243562704. Its totient is φ = 44283456.

The previous prime is 113345417. The next prime is 113345437. The reversal of 113345420 is 24543311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65039 + ... + 66758.

It is an arithmetic number, because the mean of its divisors is an integer number (10148446).

Almost surely, 2113345420 is an apocalyptic number.

113345420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113345420 is an abundant number, since it is smaller than the sum of its proper divisors (130217284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113345420 is a wasteful number, since it uses less digits than its factorization.

113345420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131849 (or 131847 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 113345420 is about 10646.3806056331. The cubic root of 113345420 is about 483.9509261995.

Adding to 113345420 its reverse (24543311), we get a palindrome (137888731).

The spelling of 113345420 in words is "one hundred thirteen million, three hundred forty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 131797 263594 527188 658985 1317970 2635940 5667271 11334542 22669084 28336355 56672710 113345420