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115163730 = 232511611907
BaseRepresentation
bin1101101110101…
…00001001010010
322000200220221100
412313110021102
5213440214410
615232205230
72565606213
oct667241122
9260626840
10115163730
115a009240
1232699816
131ab22826
141141b40a
15a19c8c0
hex6dd4252

115163730 has 96 divisors (see below), whose sum is σ = 332175168. Its totient is φ = 27446400.

The previous prime is 115163681. The next prime is 115163747. The reversal of 115163730 is 37361511.

It is a junction number, because it is equal to n+sod(n) for n = 115163694 and 115163703.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 59437 + ... + 61343.

It is an arithmetic number, because the mean of its divisors is an integer number (3460158).

Almost surely, 2115163730 is an apocalyptic number.

115163730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115163730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166087584).

115163730 is an abundant number, since it is smaller than the sum of its proper divisors (217011438).

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

115163730 is a wasteful number, since it uses less digits than its factorization.

115163730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 115163730 is about 10731.4365301203. The cubic root of 115163730 is about 486.5250891315.

The spelling of 115163730 in words is "one hundred fifteen million, one hundred sixty-three thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 61 66 90 99 110 122 165 183 198 305 330 366 495 549 610 671 915 990 1098 1342 1830 1907 2013 2745 3355 3814 4026 5490 5721 6039 6710 9535 10065 11442 12078 17163 19070 20130 20977 28605 30195 34326 41954 57210 60390 62931 85815 104885 116327 125862 171630 188793 209770 232654 314655 348981 377586 581635 629310 697962 943965 1046943 1163270 1279597 1744905 1887930 2093886 2559194 3489810 3838791 5234715 6397985 7677582 10469430 11516373 12795970 19193955 23032746 38387910 57581865 115163730