Base | Representation |
---|---|
bin | 1010011100101… |
… | …00110000010010 |
3 | 20002220121222220 |
4 | 11032110300102 |
5 | 134414003411 |
6 | 12410241510 |
7 | 2112636300 |
oct | 516246022 |
9 | 202817886 |
10 | 87641106 |
11 | 45520073 |
12 | 25426296 |
13 | 15207357 |
14 | b8d5270 |
15 | 7a62b06 |
hex | 5394c12 |
87641106 has 24 divisors (see below), whose sum is σ = 203900400. Its totient is φ = 25040232.
The previous prime is 87641093. The next prime is 87641117. The reversal of 87641106 is 60114678.
It is a happy 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 11 ways as a sum of consecutive naturals, for example, 148756 + ... + 149343.
It is an arithmetic number, because the mean of its divisors is an integer number (8495850).
Almost surely, 287641106 is an apocalyptic number.
87641106 is an abundant number, since it is smaller than the sum of its proper divisors (116259294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87641106 is a wasteful number, since it uses less digits than its factorization.
87641106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 298118 (or 298111 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 87641106 is about 9361.6828615372. The cubic root of 87641106 is about 444.1905176216.
It can be divided in two parts, 8764 and 1106, that added together give a triangular number (9870 = T140).
The spelling of 87641106 in words is "eighty-seven million, six hundred forty-one thousand, one hundred six".
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