Base | Representation |
---|---|
bin | 1010011010100… |
… | …00011111011101 |
3 | 20002101102110011 |
4 | 11031100133131 |
5 | 134331032001 |
6 | 12400243221 |
7 | 2110363153 |
oct | 515203735 |
9 | 202342404 |
10 | 87361501 |
11 | 45349a97 |
12 | 25310511 |
13 | 15139cc6 |
14 | b8613d3 |
15 | 7a09d51 |
hex | 53507dd |
87361501 has 4 divisors (see below), whose sum is σ = 88665472. Its totient is φ = 86057532.
The previous prime is 87361489. The next prime is 87361507. The reversal of 87361501 is 10516378.
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 a cyclic number.
It is not a de Polignac number, because 87361501 - 29 = 87360989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87361507) 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, 651885 + ... + 652018.
It is an arithmetic number, because the mean of its divisors is an integer number (22166368).
Almost surely, 287361501 is an apocalyptic number.
It is an amenable number.
87361501 is a deficient number, since it is larger than the sum of its proper divisors (1303971).
87361501 is a wasteful number, since it uses less digits than its factorization.
87361501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1303970.
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 87361501 is about 9346.7374521808. The cubic root of 87361501 is about 443.7176413355.
Adding to 87361501 its reverse (10516378), we get a palindrome (97877879).
The spelling of 87361501 in words is "eighty-seven million, three hundred sixty-one thousand, five hundred one".
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