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115610140 = 2255780507
BaseRepresentation
bin1101110010000…
…01001000011100
322001112121022001
412321001020130
5214044011030
615245532044
72602445542
oct671011034
9261477261
10115610140
115a293678
1232874024
131ac4aa89
14114d5d92
15a239cca
hex6e4121c

115610140 has 12 divisors (see below), whose sum is σ = 242781336. Its totient is φ = 46244048.

The previous prime is 115610111. The next prime is 115610161. The reversal of 115610140 is 41016511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2890234 + ... + 2890273.

It is an arithmetic number, because the mean of its divisors is an integer number (20231778).

Almost surely, 2115610140 is an apocalyptic number.

115610140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115610140 is an abundant number, since it is smaller than the sum of its proper divisors (127171196).

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

115610140 is a wasteful number, since it uses less digits than its factorization.

115610140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780516 (or 5780514 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 115610140 is about 10752.2155856363. The cubic root of 115610140 is about 487.1529188499.

Adding to 115610140 its reverse (41016511), we get a palindrome (156626651).

The spelling of 115610140 in words is "one hundred fifteen million, six hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5780507 11561014 23122028 28902535 57805070 115610140