Search a number
-
+
115140330 = 23251279337
BaseRepresentation
bin1101101110011…
…10011011101010
322000122201211200
412313032123222
5213433442310
615231505030
72565451044
oct667163352
9260581750
10115140330
1159aa26a8
1232688176
131ab14c96
1411412a94
15a1959c0
hex6dce6ea

115140330 has 24 divisors (see below), whose sum is σ = 299365092. Its totient is φ = 30704064.

The previous prime is 115140317. The next prime is 115140343. The reversal of 115140330 is 33041511.

It is an interprime number because it is at equal distance from previous prime (115140317) and next prime (115140343).

It can be written as a sum of positive squares in 2 ways, for example, as 99860049 + 15280281 = 9993^2 + 3909^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639579 + ... + 639758.

Almost surely, 2115140330 is an apocalyptic number.

115140330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115140330 is an abundant number, since it is smaller than the sum of its proper divisors (184224762).

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

115140330 is a wasteful number, since it uses less digits than its factorization.

115140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279350 (or 1279347 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115140330 is about 10730.3462199502. The cubic root of 115140330 is about 486.4921347217.

Adding to 115140330 its reverse (33041511), we get a palindrome (148181841).

The spelling of 115140330 in words is "one hundred fifteen million, one hundred forty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1279337 2558674 3838011 6396685 7676022 11514033 12793370 19190055 23028066 38380110 57570165 115140330