[go: up one dir, main page]

Search a number
-
+
115523112 = 233233143157
BaseRepresentation
bin1101110001010…
…11111000101000
322001101011220210
412320223320220
5214033214422
615244021120
72601634035
oct670537050
9261334823
10115523112
115a234251
12328317a0
131ac1a293
14114b238c
15a21e10c
hex6e2be28

115523112 has 128 divisors (see below), whose sum is σ = 320348160. Its totient is φ = 34594560.

The previous prime is 115523071. The next prime is 115523113. The reversal of 115523112 is 211325511.

It is not an unprimeable number, because it can be changed into a prime (115523113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735738 + ... + 735894.

It is an arithmetic number, because the mean of its divisors is an integer number (2502720).

Almost surely, 2115523112 is an apocalyptic number.

115523112 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 115523112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160174080).

115523112 is an abundant number, since it is smaller than the sum of its proper divisors (204825048).

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

115523112 is a wasteful number, since it uses less digits than its factorization.

115523112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 259 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 115523112 is about 10748.1678438699. The cubic root of 115523112 is about 487.0306499128.

Adding to 115523112 its reverse (211325511), we get a palindrome (326848623).

The spelling of 115523112 in words is "one hundred fifteen million, five hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 23 24 31 43 46 62 69 86 92 93 124 129 138 157 172 184 186 248 258 276 314 344 372 471 516 552 628 713 744 942 989 1032 1256 1333 1426 1884 1978 2139 2666 2852 2967 3611 3768 3956 3999 4278 4867 5332 5704 5934 6751 7222 7912 7998 8556 9734 10664 10833 11868 13502 14444 14601 15996 17112 19468 20253 21666 23736 27004 28888 29202 30659 31992 38936 40506 43332 54008 58404 61318 81012 86664 91977 111941 116808 122636 155273 162024 183954 209281 223882 245272 310546 335823 367908 418562 447764 465819 621092 627843 671646 735816 837124 895528 931638 1242184 1255686 1343292 1674248 1863276 2511372 2686584 3726552 4813463 5022744 9626926 14440389 19253852 28880778 38507704 57761556 115523112