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115740345 = 3572234943
BaseRepresentation
bin1101110011000…
…00111010111001
322001210012220110
412321200322321
5214112142340
615252414533
72603530260
oct671407271
9261705813
10115740345
115a372486
1232917449
131ac95116
141152b5d7
15a263680
hex6e60eb9

115740345 has 32 divisors (see below), whose sum is σ = 212631552. Its totient is φ = 52661952.

The previous prime is 115740281. The next prime is 115740349. The reversal of 115740345 is 543047511.

It is not a de Polignac number, because 115740345 - 26 = 115740281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115740349) 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, 20944 + ... + 25886.

It is an arithmetic number, because the mean of its divisors is an integer number (6644736).

Almost surely, 2115740345 is an apocalyptic number.

115740345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115740345 is a deficient number, since it is larger than the sum of its proper divisors (96891207).

115740345 is a wasteful number, since it uses less digits than its factorization.

115740345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 115740345 is about 10758.2686804151. The cubic root of 115740345 is about 487.3357342681.

Adding to 115740345 its reverse (543047511), we get a palindrome (658787856).

The spelling of 115740345 in words is "one hundred fifteen million, seven hundred forty thousand, three hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 223 669 1115 1561 3345 4683 4943 7805 14829 23415 24715 34601 74145 103803 173005 519015 1102289 3306867 5511445 7716023 16534335 23148069 38580115 115740345