Base | Representation |
---|---|
bin | 1010011110001… |
… | …10000011110101 |
3 | 20010021220000201 |
4 | 11033012003311 |
5 | 134441434221 |
6 | 12414440501 |
7 | 2114440135 |
oct | 517060365 |
9 | 203256021 |
10 | 87843061 |
11 | 45648879 |
12 | 25503131 |
13 | 15278257 |
14 | b948ac5 |
15 | 7aa2891 |
hex | 53c60f5 |
87843061 has 8 divisors (see below), whose sum is σ = 92553920. Its totient is φ = 83140992.
The previous prime is 87843053. The next prime is 87843083. The reversal of 87843061 is 16034878.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87843061 - 23 = 87843053 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 87843061.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87843031) 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, 32581 + ... + 35173.
It is an arithmetic number, because the mean of its divisors is an integer number (11569240).
Almost surely, 287843061 is an apocalyptic number.
It is an amenable number.
87843061 is a deficient number, since it is larger than the sum of its proper divisors (4710859).
87843061 is a wasteful number, since it uses less digits than its factorization.
87843061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4395.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 87843061 is about 9372.4629100360. The cubic root of 87843061 is about 444.5314447023.
The spelling of 87843061 in words is "eighty-seven million, eight hundred forty-three thousand, sixty-one".
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