Base | Representation |
---|---|
bin | 1010011001101… |
… | …00001001000111 |
3 | 20002011112011111 |
4 | 11030310021013 |
5 | 134313323013 |
6 | 12353545451 |
7 | 2106400501 |
oct | 514641107 |
9 | 202145144 |
10 | 87245383 |
11 | 4527a825 |
12 | 25275287 |
13 | 150c91b4 |
14 | b830d71 |
15 | 79d573d |
hex | 5334247 |
87245383 has 2 divisors, whose sum is σ = 87245384. Its totient is φ = 87245382.
The previous prime is 87245363. The next prime is 87245387. The reversal of 87245383 is 38354278.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 87245383 - 25 = 87245351 is a prime.
It is a super-2 number, since 2×872453832 = 15223513709633378, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87245387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43622691 + 43622692.
It is an arithmetic number, because the mean of its divisors is an integer number (43622692).
Almost surely, 287245383 is an apocalyptic number.
87245383 is a deficient number, since it is larger than the sum of its proper divisors (1).
87245383 is an equidigital number, since it uses as much as digits as its factorization.
87245383 is an evil number, because the sum of its binary digits is even.
The product of its digits is 161280, while the sum is 40.
The square root of 87245383 is about 9340.5237005213. The cubic root of 87245383 is about 443.5209625957.
The spelling of 87245383 in words is "eighty-seven million, two hundred forty-five thousand, three hundred eighty-three".
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