Base | Representation |
---|---|
bin | 1010011010010… |
… | …10010111111101 |
3 | 20002100011002011 |
4 | 11031022113331 |
5 | 134324231240 |
6 | 12355531221 |
7 | 2110230130 |
oct | 515122775 |
9 | 202304064 |
10 | 87336445 |
11 | 45332189 |
12 | 252b9b11 |
13 | 1512b791 |
14 | b856217 |
15 | 7a026ea |
hex | 534a5fd |
87336445 has 32 divisors (see below), whose sum is σ = 128206080. Its totient is φ = 55779840.
The previous prime is 87336439. The next prime is 87336449. The reversal of 87336445 is 54463378.
It is not a de Polignac number, because 87336445 - 25 = 87336413 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 87336398 and 87336407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87336449) 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, 39489 + ... + 41641.
It is an arithmetic number, because the mean of its divisors is an integer number (4006440).
Almost surely, 287336445 is an apocalyptic number.
It is an amenable number.
87336445 is a deficient number, since it is larger than the sum of its proper divisors (40869635).
87336445 is a wasteful number, since it uses less digits than its factorization.
87336445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2245.
The product of its digits is 241920, while the sum is 40.
The square root of 87336445 is about 9345.3969953127. The cubic root of 87336445 is about 443.6752166512.
The spelling of 87336445 in words is "eighty-seven million, three hundred thirty-six thousand, four hundred forty-five".
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