Base | Representation |
---|---|
bin | 1010101100001… |
… | …10000100001010 |
3 | 20020202010012202 |
4 | 11112012010022 |
5 | 140424144330 |
6 | 12522040202 |
7 | 2136152105 |
oct | 526060412 |
9 | 206663182 |
10 | 89678090 |
11 | 46691527 |
12 | 26049062 |
13 | 1576b578 |
14 | bca573c |
15 | 7d16445 |
hex | 558610a |
89678090 has 8 divisors (see below), whose sum is σ = 161420580. Its totient is φ = 35871232.
The previous prime is 89678051. The next prime is 89678101. The reversal of 89678090 is 9087698.
It can be written as a sum of positive squares in 2 ways, for example, as 89661961 + 16129 = 9469^2 + 127^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4483895 + ... + 4483914.
Almost surely, 289678090 is an apocalyptic number.
89678090 is a deficient number, since it is larger than the sum of its proper divisors (71742490).
89678090 is a wasteful number, since it uses less digits than its factorization.
89678090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8967816.
The product of its (nonzero) digits is 217728, while the sum is 47.
The square root of 89678090 is about 9469.8516355854. The cubic root of 89678090 is about 447.6055367328.
The spelling of 89678090 in words is "eighty-nine million, six hundred seventy-eight thousand, ninety".
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