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115906672 = 2474143587
BaseRepresentation
bin1101110100010…
…01100001110000
322002002200001201
412322021201300
5214133003142
615300140544
72605122220
oct672114160
9262080051
10115906672
115a476442
1232997754
131b022a3b
1411572080
15a297ab7
hex6e89870

115906672 has 80 divisors (see below), whose sum is σ = 269482752. Its totient is φ = 47255040.

The previous prime is 115906657. The next prime is 115906673. The reversal of 115906672 is 276609511.

It is a super-2 number, since 2×1159066722 = 26868713228231168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115906673) 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, 197163 + ... + 197749.

Almost surely, 2115906672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115906672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134741376).

115906672 is an abundant number, since it is smaller than the sum of its proper divisors (153576080).

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

115906672 is a wasteful number, since it uses less digits than its factorization.

115906672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 115906672 is about 10765.9960988289. The cubic root of 115906672 is about 487.5690677509.

The spelling of 115906672 in words is "one hundred fifteen million, nine hundred six thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 41 43 56 82 86 112 164 172 287 301 328 344 574 587 602 656 688 1148 1174 1204 1763 2296 2348 2408 3526 4109 4592 4696 4816 7052 8218 9392 12341 14104 16436 24067 24682 25241 28208 32872 48134 49364 50482 65744 96268 98728 100964 168469 176687 192536 197456 201928 336938 353374 385072 403856 673876 706748 1034881 1347752 1413496 2069762 2695504 2826992 4139524 7244167 8279048 14488334 16558096 28976668 57953336 115906672