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115489080 = 23325726547
BaseRepresentation
bin1101110001000…
…11100100111000
322001022110020100
412320203210320
5214031122310
615243155400
72601432600
oct670434470
9261273210
10115489080
115a210723
1232815b60
131ac07945
14114a3c00
15a213ec0
hex6e23938

115489080 has 144 divisors (see below), whose sum is σ = 436686120. Its totient is φ = 26393472.

The previous prime is 115489069. The next prime is 115489103. The reversal of 115489080 is 80984511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 14367 + ... + 20913.

Almost surely, 2115489080 is an apocalyptic number.

115489080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115489080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218343060).

115489080 is an abundant number, since it is smaller than the sum of its proper divisors (321197040).

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

115489080 is a wasteful number, since it uses less digits than its factorization.

115489080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578 (or 6564 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 115489080 is about 10746.5845737146. The cubic root of 115489080 is about 486.9828203641.

The spelling of 115489080 in words is "one hundred fifteen million, four hundred eighty-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 63 70 72 84 90 98 105 120 126 140 147 168 180 196 210 245 252 280 294 315 360 392 420 441 490 504 588 630 735 840 882 980 1176 1260 1470 1764 1960 2205 2520 2940 3528 4410 5880 6547 8820 13094 17640 19641 26188 32735 39282 45829 52376 58923 65470 78564 91658 98205 117846 130940 137487 157128 183316 196410 229145 235692 261880 274974 294615 320803 366632 392820 412461 458290 471384 549948 589230 641606 687435 785640 824922 916580 962409 1099896 1178460 1283212 1374870 1604015 1649844 1833160 1924818 2062305 2356920 2566424 2749740 2887227 3208030 3299688 3849636 4124610 4812045 5499480 5774454 6416060 7699272 8249220 9624090 11548908 12832120 14436135 16498440 19248180 23097816 28872270 38496360 57744540 115489080