Base | Representation |
---|---|
bin | 1010010111110… |
… | …11100101101111 |
3 | 20001201202102020 |
4 | 11023323211233 |
5 | 134233414433 |
6 | 12345001223 |
7 | 2104414245 |
oct | 513734557 |
9 | 201652366 |
10 | 87013743 |
11 | 45131793 |
12 | 25183213 |
13 | 1504792b |
14 | b7b0795 |
15 | 798bcb3 |
hex | 52fb96f |
87013743 has 4 divisors (see below), whose sum is σ = 116018328. Its totient is φ = 58009160.
The previous prime is 87013741. The next prime is 87013763. The reversal of 87013743 is 34731078.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 87013743 - 21 = 87013741 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87013741) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14502288 + ... + 14502293.
It is an arithmetic number, because the mean of its divisors is an integer number (29004582).
Almost surely, 287013743 is an apocalyptic number.
87013743 is a deficient number, since it is larger than the sum of its proper divisors (29004585).
87013743 is a wasteful number, since it uses less digits than its factorization.
87013743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29004584.
The product of its (nonzero) digits is 14112, while the sum is 33.
The square root of 87013743 is about 9328.1157261260. The cubic root of 87013743 is about 443.1280926986.
The spelling of 87013743 in words is "eighty-seven million, thirteen thousand, seven hundred forty-three".
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