Base | Representation |
---|---|
bin | 1010011010011… |
… | …10101000101101 |
3 | 20002101001000200 |
4 | 11031032220231 |
5 | 134330311101 |
6 | 12400144113 |
7 | 2110332045 |
oct | 515165055 |
9 | 202331020 |
10 | 87353901 |
11 | 45344308 |
12 | 25308039 |
13 | 151366cb |
14 | b85c725 |
15 | 7a07986 |
hex | 534ea2d |
87353901 has 6 divisors (see below), whose sum is σ = 126177870. Its totient is φ = 58235928.
The previous prime is 87353897. The next prime is 87353909. The reversal of 87353901 is 10935378.
It can be written as a sum of positive squares in only one way, i.e., 77898276 + 9455625 = 8826^2 + 3075^2 .
It is not a de Polignac number, because 87353901 - 22 = 87353897 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87353909) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4852986 + ... + 4853003.
It is an arithmetic number, because the mean of its divisors is an integer number (21029645).
Almost surely, 287353901 is an apocalyptic number.
It is an amenable number.
87353901 is a deficient number, since it is larger than the sum of its proper divisors (38823969).
87353901 is a wasteful number, since it uses less digits than its factorization.
87353901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9705995 (or 9705992 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 87353901 is about 9346.3308843631. The cubic root of 87353901 is about 443.7047739136.
The spelling of 87353901 in words is "eighty-seven million, three hundred fifty-three thousand, nine hundred one".
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