Base | Representation |
---|---|
bin | 1010011011010… |
… | …11111011011011 |
3 | 20002121010121110 |
4 | 11031223323123 |
5 | 134343131013 |
6 | 12402511403 |
7 | 2111341620 |
oct | 515537333 |
9 | 202533543 |
10 | 87473883 |
11 | 45416472 |
12 | 25365563 |
13 | 151791c3 |
14 | b890347 |
15 | 7a2d2c3 |
hex | 536bedb |
87473883 has 32 divisors (see below), whose sum is σ = 138351616. Its totient is φ = 48117888.
The previous prime is 87473879. The next prime is 87473933. The reversal of 87473883 is 38837478.
It is not a de Polignac number, because 87473883 - 22 = 87473879 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87473803) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79485 + ... + 80577.
It is an arithmetic number, because the mean of its divisors is an integer number (4323488).
Almost surely, 287473883 is an apocalyptic number.
87473883 is a deficient number, since it is larger than the sum of its proper divisors (50877733).
87473883 is a wasteful number, since it uses less digits than its factorization.
87473883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1243.
The product of its digits is 903168, while the sum is 48.
The square root of 87473883 is about 9352.7473503779. The cubic root of 87473883 is about 443.9078262115.
The spelling of 87473883 in words is "eighty-seven million, four hundred seventy-three thousand, eight hundred eighty-three".
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