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115668672 = 263789967
BaseRepresentation
bin1101110010011…
…11011011000000
322001122120120220
412321033123000
5214102344142
615251103040
72603111310
oct671173300
9261576526
10115668672
115a323649
12328a1a80
131ac6b602
141150d440
15a24c2ec
hex6e4f6c0

115668672 has 112 divisors (see below), whose sum is σ = 354055680. Its totient is φ = 32643072.

The previous prime is 115668671. The next prime is 115668703. The reversal of 115668672 is 276866511.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is not an unprimeable number, because it can be changed into a prime (115668671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119133 + ... + 120099.

Almost surely, 2115668672 is an apocalyptic number.

115668672 is a gapful number since it is divisible by the number (12) 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 115668672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177027840).

115668672 is an abundant number, since it is smaller than the sum of its proper divisors (238387008).

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

115668672 is an equidigital number, since it uses as much as digits as its factorization.

115668672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1068 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 115668672 is about 10754.9370988398. The cubic root of 115668672 is about 487.2351181677.

The spelling of 115668672 in words is "one hundred fifteen million, six hundred sixty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 89 96 112 168 178 192 224 267 336 356 448 534 623 672 712 967 1068 1246 1344 1424 1869 1934 2136 2492 2848 2901 3738 3868 4272 4984 5696 5802 6769 7476 7736 8544 9968 11604 13538 14952 15472 17088 19936 20307 23208 27076 29904 30944 39872 40614 46416 54152 59808 61888 81228 86063 92832 108304 119616 162456 172126 185664 216608 258189 324912 344252 433216 516378 602441 649824 688504 1032756 1204882 1299648 1377008 1807323 2065512 2409764 2754016 3614646 4131024 4819528 5508032 7229292 8262048 9639056 14458584 16524096 19278112 28917168 38556224 57834336 115668672