Base | Representation |
---|---|
bin | 1010011000100… |
… | …11101001101101 |
3 | 20001220202121112 |
4 | 11030103221231 |
5 | 134300043201 |
6 | 12351041405 |
7 | 2105304503 |
oct | 514235155 |
9 | 201822545 |
10 | 87112301 |
11 | 45199841 |
12 | 25210265 |
13 | 15080753 |
14 | b7d8673 |
15 | 79ab0bb |
hex | 5313a6d |
87112301 has 4 divisors (see below), whose sum is σ = 92236572. Its totient is φ = 81988032.
The previous prime is 87112279. The next prime is 87112303. The reversal of 87112301 is 10321178.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 60435076 + 26677225 = 7774^2 + 5165^2 .
It is a cyclic number.
It is not a de Polignac number, because 87112301 - 222 = 82917997 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 (87112303) 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, 2562110 + ... + 2562143.
It is an arithmetic number, because the mean of its divisors is an integer number (23059143).
Almost surely, 287112301 is an apocalyptic number.
It is an amenable number.
87112301 is a deficient number, since it is larger than the sum of its proper divisors (5124271).
87112301 is a wasteful number, since it uses less digits than its factorization.
87112301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5124270.
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 87112301 is about 9333.3970771633. The cubic root of 87112301 is about 443.2953357802.
Adding to 87112301 its reverse (10321178), we get a palindrome (97433479).
The spelling of 87112301 in words is "eighty-seven million, one hundred twelve thousand, three hundred one".
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