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115240192 = 281014457
BaseRepresentation
bin1101101111001…
…10110100000000
322000211210211021
412313212310000
5214000141232
615233555224
72566345144
oct667466400
9260753737
10115240192
115a060731
1232715b14
131ab4b582
141143b224
15a1b5397
hex6de6d00

115240192 has 36 divisors (see below), whose sum is σ = 232359876. Its totient is φ = 57036800.

The previous prime is 115240159. The next prime is 115240207. The reversal of 115240192 is 291042511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98724096 + 16516096 = 9936^2 + 4064^2 .

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 3 ways as a sum of consecutive naturals, for example, 23628 + ... + 28084.

It is an arithmetic number, because the mean of its divisors is an integer number (6454441).

Almost surely, 2115240192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115240192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116179938).

115240192 is an abundant number, since it is smaller than the sum of its proper divisors (117119684).

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

115240192 is an equidigital number, since it uses as much as digits as its factorization.

115240192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 115240192 is about 10734.9984629715. The cubic root of 115240192 is about 486.6327400715.

The spelling of 115240192 in words is "one hundred fifteen million, two hundred forty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 101 128 202 256 404 808 1616 3232 4457 6464 8914 12928 17828 25856 35656 71312 142624 285248 450157 570496 900314 1140992 1800628 3601256 7202512 14405024 28810048 57620096 115240192