Base | Representation |
---|---|
bin | 1010011100100… |
… | …00111011011001 |
3 | 20002212211111102 |
4 | 11032100323121 |
5 | 134413003213 |
6 | 12410041145 |
7 | 2112542510 |
oct | 516207331 |
9 | 202784442 |
10 | 87625433 |
11 | 4550a315 |
12 | 254191b5 |
13 | 1520018c |
14 | b8cd677 |
15 | 7a5d158 |
hex | 5390ed9 |
87625433 has 4 divisors (see below), whose sum is σ = 100143360. Its totient is φ = 75107508.
The previous prime is 87625409. The next prime is 87625441. The reversal of 87625433 is 33452678.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 87625433 - 216 = 87559897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87625453) 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, 6258953 + ... + 6258966.
It is an arithmetic number, because the mean of its divisors is an integer number (25035840).
Almost surely, 287625433 is an apocalyptic number.
It is an amenable number.
87625433 is a deficient number, since it is larger than the sum of its proper divisors (12517927).
87625433 is a wasteful number, since it uses less digits than its factorization.
87625433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12517926.
The product of its digits is 120960, while the sum is 38.
The square root of 87625433 is about 9360.8457417052. The cubic root of 87625433 is about 444.1640376080.
The spelling of 87625433 in words is "eighty-seven million, six hundred twenty-five thousand, four hundred thirty-three".
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