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113457643 = 13217223101
BaseRepresentation
bin1101100001100…
…11100111101011
321220111020121221
412300303213223
5213021121033
615131442511
72545242205
oct660634753
9256436557
10113457643
1159053452
1231bb6437
131a676100
14110d5775
159e6212d
hex6c339eb

113457643 has 36 divisors (see below), whose sum is σ = 137531088. Its totient is φ = 93350400.

The previous prime is 113457637. The next prime is 113457653. The reversal of 113457643 is 346754311.

It is not a de Polignac number, because 113457643 - 25 = 113457611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113457599 and 113457608.

It is not an unprimeable number, because it can be changed into a prime (113457623) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1123293 + ... + 1123393.

It is an arithmetic number, because the mean of its divisors is an integer number (3820308).

Almost surely, 2113457643 is an apocalyptic number.

113457643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113457643 is a deficient number, since it is larger than the sum of its proper divisors (24073445).

113457643 is a wasteful number, since it uses less digits than its factorization.

113457643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 154 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 113457643 is about 10651.6497783207. The cubic root of 113457643 is about 484.1105930257.

The spelling of 113457643 in words is "one hundred thirteen million, four hundred fifty-seven thousand, six hundred forty-three".

Divisors: 1 13 17 23 101 169 221 289 299 391 1313 1717 2323 2873 3757 3887 5083 6647 17069 22321 29189 30199 39491 48841 66079 86411 290173 379457 392587 513383 671347 1123343 4932941 6673979 8727511 113457643