Base | Representation |
---|---|
bin | 1010011001101… |
… | …01010110011010 |
3 | 20002011202221201 |
4 | 11030311112122 |
5 | 134314002310 |
6 | 12354024414 |
7 | 2106421066 |
oct | 514652632 |
9 | 202152851 |
10 | 87250330 |
11 | 45283512 |
12 | 2527810a |
13 | 150cb51b |
14 | b832aa6 |
15 | 79d6e3a |
hex | 533559a |
87250330 has 32 divisors (see below), whose sum is σ = 162653184. Its totient is φ = 33676416.
The previous prime is 87250327. The next prime is 87250333. The reversal of 87250330 is 3305278.
It is an interprime number because it is at equal distance from previous prime (87250327) and next prime (87250333).
It is a super-2 number, since 2×872503302 = 15225240170217800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87250333) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33039 + ... + 35581.
It is an arithmetic number, because the mean of its divisors is an integer number (5082912).
Almost surely, 287250330 is an apocalyptic number.
87250330 is a deficient number, since it is larger than the sum of its proper divisors (75402854).
87250330 is a wasteful number, since it uses less digits than its factorization.
87250330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2670.
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 87250330 is about 9340.7885106130. The cubic root of 87250330 is about 443.5293452999.
The spelling of 87250330 in words is "eighty-seven million, two hundred fifty thousand, three hundred thirty".
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