Base | Representation |
---|---|
bin | 1010011100100… |
… | …00111100100001 |
3 | 20002212211121002 |
4 | 11032100330201 |
5 | 134413004010 |
6 | 12410041345 |
7 | 2112542642 |
oct | 516207441 |
9 | 202784532 |
10 | 87625505 |
11 | 4550a380 |
12 | 25419255 |
13 | 15200216 |
14 | b8cd6c9 |
15 | 7a5d1a5 |
hex | 5390f21 |
87625505 has 8 divisors (see below), whose sum is σ = 114709824. Its totient is φ = 63727600.
The previous prime is 87625453. The next prime is 87625519. The reversal of 87625505 is 50552678.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87625505 - 26 = 87625441 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796541 + ... + 796650.
It is an arithmetic number, because the mean of its divisors is an integer number (14338728).
Almost surely, 287625505 is an apocalyptic number.
It is an amenable number.
87625505 is a deficient number, since it is larger than the sum of its proper divisors (27084319).
87625505 is a wasteful number, since it uses less digits than its factorization.
87625505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1593207.
The product of its (nonzero) digits is 84000, while the sum is 38.
The square root of 87625505 is about 9360.8495875107. The cubic root of 87625505 is about 444.1641592614.
The spelling of 87625505 in words is "eighty-seven million, six hundred twenty-five thousand, five hundred five".
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