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118082538 = 23278391117
BaseRepresentation
bin1110000100111…
…00101111101010
322020012012210100
413002130233222
5220212120123
615414530230
72632453650
oct702345752
9266165710
10118082538
1160722182
1233666976
131b605232
141197add0
15a577643
hex709cbea

118082538 has 48 divisors (see below), whose sum is σ = 293005440. Its totient is φ = 33667488.

The previous prime is 118082533. The next prime is 118082539. The reversal of 118082538 is 835280811.

118082538 is a `hidden beast` number, since 118 + 0 + 8 + 2 + 538 = 666.

It is not an unprimeable number, because it can be changed into a prime (118082533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105156 + ... + 106272.

It is an arithmetic number, because the mean of its divisors is an integer number (6104280).

Almost surely, 2118082538 is an apocalyptic number.

118082538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

118082538 is an abundant number, since it is smaller than the sum of its proper divisors (174922902).

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

118082538 is a wasteful number, since it uses less digits than its factorization.

118082538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 118082538 is about 10866.5789464762. The cubic root of 118082538 is about 490.6011475171.

The spelling of 118082538 in words is "one hundred eighteen million, eighty-two thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 839 1117 1678 2234 2517 3351 5034 5873 6702 7551 7819 10053 11746 15102 15638 17619 20106 23457 35238 46914 52857 70371 105714 140742 937163 1874326 2811489 5622978 6560141 8434467 13120282 16868934 19680423 39360846 59041269 118082538