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115800146 = 27112197347
BaseRepresentation
bin1101110011011…
…11100001010010
322001220020221022
412321233201102
5214121101041
615253555442
72604166520
oct671574122
9261806838
10115800146
115a403400
1232945b82
131acb63c7
1411545310
15a27624b
hex6e6f852

115800146 has 48 divisors (see below), whose sum is σ = 219941568. Its totient is φ = 44758560.

The previous prime is 115800137. The next prime is 115800149. The reversal of 115800146 is 641008511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115800149) 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, 333545 + ... + 333891.

It is an arithmetic number, because the mean of its divisors is an integer number (4582116).

Almost surely, 2115800146 is an apocalyptic number.

115800146 is a deficient number, since it is larger than the sum of its proper divisors (104141422).

115800146 is a wasteful number, since it uses less digits than its factorization.

115800146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 115800146 is about 10761.0476255800. The cubic root of 115800146 is about 487.4196524168.

Adding to 115800146 its reverse (641008511), we get a palindrome (756808657).

The spelling of 115800146 in words is "one hundred fifteen million, eight hundred thousand, one hundred forty-six".

Divisors: 1 2 7 11 14 22 77 121 154 197 242 347 394 694 847 1379 1694 2167 2429 2758 3817 4334 4858 7634 15169 23837 26719 30338 41987 47674 53438 68359 83974 136718 166859 293909 333718 478513 587818 751949 957026 1503898 5263643 8271439 10527286 16542878 57900073 115800146