Base | Representation |
---|---|
bin | 111110001101101… |
… | …1001000100110100 |
3 | 12101111002210121221 |
4 | 1330123121010310 |
5 | 13233403233010 |
6 | 543051320124 |
7 | 102505633201 |
oct | 17433310464 |
9 | 5344083557 |
10 | 2087555380 |
11 | 981409289 |
12 | 4a3150044 |
13 | 273651691 |
14 | 15b36aca8 |
15 | c3409dda |
hex | 7c6d9134 |
2087555380 has 24 divisors (see below), whose sum is σ = 4393273248. Its totient is φ = 833230368.
The previous prime is 2087555363. The next prime is 2087555383. The reversal of 2087555380 is 835557802.
2087555380 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2087555383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102414 + ... + 121093.
It is an arithmetic number, because the mean of its divisors is an integer number (183053052).
Almost surely, 22087555380 is an apocalyptic number.
2087555380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2087555380 is an abundant number, since it is smaller than the sum of its proper divisors (2305717868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2087555380 is a wasteful number, since it uses less digits than its factorization.
2087555380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223983 (or 223981 counting only the distinct ones).
The product of its (nonzero) digits is 336000, while the sum is 43.
The square root of 2087555380 is about 45689.7732539788. The cubic root of 2087555380 is about 1278.0445769344.
The spelling of 2087555380 in words is "two billion, eighty-seven million, five hundred fifty-five thousand, three hundred eighty".
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