Search a number
-
+
115671900 = 22352385573
BaseRepresentation
bin1101110010100…
…00001101011100
322001122202000110
412321100031130
5214103000100
615251130020
72603123601
oct671201534
9261582013
10115671900
115a326013
12328a3910
131ac6cc16
14115106a8
15a24d250
hex6e5035c

115671900 has 36 divisors (see below), whose sum is σ = 334678232. Its totient is φ = 30845760.

The previous prime is 115671869. The next prime is 115671929. The reversal of 115671900 is 9176511.

It is a super-3 number, since 3×1156719003 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192487 + ... + 193086.

Almost surely, 2115671900 is an apocalyptic number.

115671900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115671900 is an abundant number, since it is smaller than the sum of its proper divisors (219006332).

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

115671900 is a wasteful number, since it uses less digits than its factorization.

115671900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385590 (or 385583 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 115671900 is about 10755.0871684055. The cubic root of 115671900 is about 487.2396505972.

The spelling of 115671900 in words is "one hundred fifteen million, six hundred seventy-one thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 385573 771146 1156719 1542292 1927865 2313438 3855730 4626876 5783595 7711460 9639325 11567190 19278650 23134380 28917975 38557300 57835950 115671900