Base | Representation |
---|---|
bin | 1010101100101… |
… | …10100100011011 |
3 | 20020212112221111 |
4 | 11112112210123 |
5 | 140433330231 |
6 | 12523321151 |
7 | 2136553150 |
oct | 526264433 |
9 | 206775844 |
10 | 89745691 |
11 | 467282a2 |
12 | 260801b7 |
13 | 15793279 |
14 | bcc2227 |
15 | 7d2b4b1 |
hex | 559691b |
89745691 has 8 divisors (see below), whose sum is σ = 106103520. Its totient is φ = 74272128.
The previous prime is 89745673. The next prime is 89745697. The reversal of 89745691 is 19654798.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 89745691 - 29 = 89745179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89745697) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220846 + ... + 221251.
It is an arithmetic number, because the mean of its divisors is an integer number (13262940).
Almost surely, 289745691 is an apocalyptic number.
89745691 is a deficient number, since it is larger than the sum of its proper divisors (16357829).
89745691 is a wasteful number, since it uses less digits than its factorization.
89745691 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442133.
The product of its digits is 544320, while the sum is 49.
The square root of 89745691 is about 9473.4202376966. The cubic root of 89745691 is about 447.7179795897.
The spelling of 89745691 in words is "eighty-nine million, seven hundred forty-five thousand, six hundred ninety-one".
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