Search a number
-
+
115946880 = 273578627
BaseRepresentation
bin1101110100100…
…11010110000000
322002011201012220
412322103112000
5214140300010
615301051040
72605350360
oct672232600
9262151186
10115946880
115a4a3675
12329b6a80
131b03812a
14115829a0
15a2a4970
hex6e93580

115946880 has 128 divisors (see below), whose sum is σ = 422426880. Its totient is φ = 26499072.

The previous prime is 115946867. The next prime is 115946891. The reversal of 115946880 is 88649511.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9127 + ... + 17753.

It is an arithmetic number, because the mean of its divisors is an integer number (3300210).

Almost surely, 2115946880 is an apocalyptic number.

115946880 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 115946880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211213440).

115946880 is an abundant number, since it is smaller than the sum of its proper divisors (306480000).

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

115946880 is an equidigital number, since it uses as much as digits as its factorization.

115946880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656 (or 8644 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 115946880 is about 10767.8632977950. The cubic root of 115946880 is about 487.6254404350.

The spelling of 115946880 in words is "one hundred fifteen million, nine hundred forty-six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4480 6720 8627 13440 17254 25881 34508 43135 51762 60389 69016 86270 103524 120778 129405 138032 172540 181167 207048 241556 258810 276064 301945 345080 362334 414096 483112 517620 552128 603890 690160 724668 828192 905835 966224 1035240 1104256 1207780 1380320 1449336 1656384 1811670 1932448 2070480 2415560 2760640 2898672 3312768 3623340 3864896 4140960 4831120 5521280 5797344 7246680 7729792 8281920 9662240 11594688 14493360 16563840 19324480 23189376 28986720 38648960 57973440 115946880