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115384380 = 22351923073
BaseRepresentation
bin1101110000010…
…10000000111100
322001010010121120
412320022000330
5214014300010
615241030540
72600515416
oct670120074
9261103546
10115384380
115a149aa1
1232785450
131ab9c0a7
14114779b6
15a1e2e70
hex6e0a03c

115384380 has 24 divisors (see below), whose sum is σ = 323076432. Its totient is φ = 30769152.

The previous prime is 115384361. The next prime is 115384393. The reversal of 115384380 is 83483511.

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 7 ways as a sum of consecutive naturals, for example, 961477 + ... + 961596.

It is an arithmetic number, because the mean of its divisors is an integer number (13461518).

Almost surely, 2115384380 is an apocalyptic number.

115384380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115384380 is an abundant number, since it is smaller than the sum of its proper divisors (207692052).

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

115384380 is a wasteful number, since it uses less digits than its factorization.

115384380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923085 (or 1923083 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 115384380 is about 10741.7121540283. The cubic root of 115384380 is about 486.8356130351.

The spelling of 115384380 in words is "one hundred fifteen million, three hundred eighty-four thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1923073 3846146 5769219 7692292 9615365 11538438 19230730 23076876 28846095 38461460 57692190 115384380