Base | Representation |
---|---|
bin | 1010101100010… |
… | …00101101001011 |
3 | 20020202200001101 |
4 | 11112020231023 |
5 | 140430021112 |
6 | 12522202231 |
7 | 2136225460 |
oct | 526105513 |
9 | 206680041 |
10 | 89688907 |
11 | 46699670 |
12 | 26053377 |
13 | 15773479 |
14 | bca9667 |
15 | 7d19757 |
hex | 5588b4b |
89688907 has 8 divisors (see below), whose sum is σ = 111820032. Its totient is φ = 69887400.
The previous prime is 89688901. The next prime is 89688913. The reversal of 89688907 is 70988698.
It is an interprime number because it is at equal distance from previous prime (89688901) and next prime (89688913).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 89688907 - 23 = 89688899 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89688901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582319 + ... + 582472.
It is an arithmetic number, because the mean of its divisors is an integer number (13977504).
Almost surely, 289688907 is an apocalyptic number.
89688907 is a deficient number, since it is larger than the sum of its proper divisors (22131125).
89688907 is a wasteful number, since it uses less digits than its factorization.
89688907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1164809.
The product of its (nonzero) digits is 1741824, while the sum is 55.
The square root of 89688907 is about 9470.4227466360. The cubic root of 89688907 is about 447.6235327838.
The spelling of 89688907 in words is "eighty-nine million, six hundred eighty-eight thousand, nine hundred seven".
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