Base | Representation |
---|---|
bin | 1101101110000… |
… | …01100000010100 |
3 | 22000120001012120 |
4 | 12313001200110 |
5 | 213430244010 |
6 | 15230415540 |
7 | 2565140502 |
oct | 667014024 |
9 | 260501176 |
10 | 115087380 |
11 | 59a66941 |
12 | 326615b0 |
13 | 1aac6b55 |
14 | 113db672 |
15 | a184e70 |
hex | 6dc1814 |
115087380 has 48 divisors (see below), whose sum is σ = 328333824. Its totient is φ = 30110080.
The previous prime is 115087361. The next prime is 115087391. The reversal of 115087380 is 83780511.
It is a super-3 number, since 3×1150873803 (a number of 25 digits) contains 333 as substring.
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 15 ways as a sum of consecutive naturals, for example, 14916 + ... + 21275.
It is an arithmetic number, because the mean of its divisors is an integer number (6840288).
Almost surely, 2115087380 is an apocalyptic number.
115087380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115087380 is an abundant number, since it is smaller than the sum of its proper divisors (213246444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115087380 is a wasteful number, since it uses less digits than its factorization.
115087380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36256 (or 36254 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 33.
The square root of 115087380 is about 10727.8786346603. The cubic root of 115087380 is about 486.4175483213.
The spelling of 115087380 in words is "one hundred fifteen million, eighty-seven thousand, three hundred eighty".
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