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113401420 = 225111094729
BaseRepresentation
bin1101100001001…
…01111001001100
321220101101111121
412300211321030
5213012321140
615130330324
72544616246
oct660457114
9256341447
10113401420
1159015190
1231b899a4
131a656642
14110bd096
159e5064a
hex6c25e4c

113401420 has 48 divisors (see below), whose sum is σ = 262231200. Its totient is φ = 40849920.

The previous prime is 113401417. The next prime is 113401423. The reversal of 113401420 is 24104311.

It is an interprime number because it is at equal distance from previous prime (113401417) and next prime (113401423).

It is a junction number, because it is equal to n+sod(n) for n = 113401394 and 113401403.

It is not an unprimeable number, because it can be changed into a prime (113401423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21616 + ... + 26344.

It is an arithmetic number, because the mean of its divisors is an integer number (5463150).

Almost surely, 2113401420 is an apocalyptic number.

113401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113401420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131115600).

113401420 is an abundant number, since it is smaller than the sum of its proper divisors (148829780).

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

113401420 is a wasteful number, since it uses less digits than its factorization.

113401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858 (or 4856 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 113401420 is about 10649.0102826507. The cubic root of 113401420 is about 484.0306141417.

Adding to 113401420 its reverse (24104311), we get a palindrome (137505731).

The spelling of 113401420 in words is "one hundred thirteen million, four hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 109 110 218 220 436 545 1090 1199 2180 2398 4729 4796 5995 9458 11990 18916 23645 23980 47290 52019 94580 104038 208076 260095 515461 520190 1030922 1040380 2061844 2577305 5154610 5670071 10309220 11340142 22680284 28350355 56700710 113401420