Base | Representation |
---|---|
bin | 1010100000000… |
… | …01100101101010 |
3 | 20010202021111102 |
4 | 11100001211222 |
5 | 140022240030 |
6 | 12424001402 |
7 | 2116504043 |
oct | 520014552 |
9 | 203667442 |
10 | 88086890 |
11 | 457a4a91 |
12 | 25600262 |
13 | 15332228 |
14 | b9ad8ca |
15 | 7aeec45 |
hex | 540196a |
88086890 has 32 divisors (see below), whose sum is σ = 161410320. Its totient is φ = 34607104.
The previous prime is 88086881. The next prime is 88086893. The reversal of 88086890 is 9868088.
It can be written as a sum of positive squares in 8 ways, for example, as 5331481 + 82755409 = 2309^2 + 9097^2 .
It is not an unprimeable number, because it can be changed into a prime (88086893) 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, 154526 + ... + 155094.
Almost surely, 288086890 is an apocalyptic number.
88086890 is a deficient number, since it is larger than the sum of its proper divisors (73323430).
88086890 is a wasteful number, since it uses less digits than its factorization.
88086890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 826.
The product of its (nonzero) digits is 221184, while the sum is 47.
The square root of 88086890 is about 9385.4616295630. The cubic root of 88086890 is about 444.9423651317.
The spelling of 88086890 in words is "eighty-eight million, eighty-six thousand, eight hundred ninety".
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