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113838747 = 31119473863
BaseRepresentation
bin1101100100100…
…00101010011011
321221012121101220
412302100222123
5213120314442
615143543123
72551420251
oct662205233
9257177356
10113838747
1159293810
123215aaa3
131a77a709
14111945d1
159ed9eec
hex6c90a9b

113838747 has 32 divisors (see below), whose sum is σ = 178053120. Its totient is φ = 63954720.

The previous prime is 113838721. The next prime is 113838757. The reversal of 113838747 is 747838311.

It is a happy number.

It is not a de Polignac number, because 113838747 - 210 = 113837723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113838699 and 113838708.

It is not an unprimeable number, because it can be changed into a prime (113838757) 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 31 ways as a sum of consecutive naturals, for example, 27538 + ... + 31400.

It is an arithmetic number, because the mean of its divisors is an integer number (5564160).

Almost surely, 2113838747 is an apocalyptic number.

113838747 is a deficient number, since it is larger than the sum of its proper divisors (64214373).

113838747 is a wasteful number, since it uses less digits than its factorization.

113838747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943.

The product of its digits is 112896, while the sum is 42.

The square root of 113838747 is about 10669.5242161963. The cubic root of 113838747 is about 484.6520294266.

The spelling of 113838747 in words is "one hundred thirteen million, eight hundred thirty-eight thousand, seven hundred forty-seven".

Divisors: 1 3 11 19 33 47 57 141 209 517 627 893 1551 2679 3863 9823 11589 29469 42493 73397 127479 181561 220191 544683 807367 1997171 2422101 3449659 5991513 10348977 37946249 113838747