Search a number
-
+
115940223 = 327219101137
BaseRepresentation
bin1101110100100…
…01101101111111
322002011101002100
412322101231333
5214140041343
615301000143
72605322100
oct672215577
9262141070
10115940223
115a499673
12329b3053
131b0350a9
14115803a7
15a2a29d3
hex6e91b7f

115940223 has 72 divisors (see below), whose sum is σ = 208606320. Its totient is φ = 61689600.

The previous prime is 115940197. The next prime is 115940249. The reversal of 115940223 is 322049511.

It is an interprime number because it is at equal distance from previous prime (115940197) and next prime (115940249).

It is not a de Polignac number, because 115940223 - 25 = 115940191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115941223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 846211 + ... + 846347.

It is an arithmetic number, because the mean of its divisors is an integer number (2897310).

Almost surely, 2115940223 is an apocalyptic number.

115940223 is a deficient number, since it is larger than the sum of its proper divisors (92666097).

115940223 is a wasteful number, since it uses less digits than its factorization.

115940223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 115940223 is about 10767.5541791068. The cubic root of 115940223 is about 487.6161080445.

Adding to 115940223 its reverse (322049511), we get a palindrome (437989734).

It can be divided in two parts, 11594022 and 3, that added together give a square (11594025 = 34052).

The spelling of 115940223 in words is "one hundred fifteen million, nine hundred forty thousand, two hundred twenty-three".

Divisors: 1 3 7 9 19 21 49 57 63 101 133 137 147 171 303 399 411 441 707 909 931 959 1197 1233 1919 2121 2603 2793 2877 4949 5757 6363 6713 7809 8379 8631 13433 13837 14847 17271 18221 20139 23427 40299 41511 44541 54663 60417 94031 96859 120897 124533 127547 163989 262903 282093 290577 382641 678013 788709 846279 871731 1147923 1840321 2034039 2366127 5520963 6102117 12882247 16562889 38646741 115940223