Base | Representation |
---|---|
bin | 1010101100110… |
… | …00000101111010 |
3 | 20020212212111120 |
4 | 11112120011322 |
5 | 140434030210 |
6 | 12523410110 |
7 | 2136610302 |
oct | 526300572 |
9 | 206785446 |
10 | 89751930 |
11 | 46731a54 |
12 | 26083936 |
13 | 15796068 |
14 | bcc4602 |
15 | 7d2d270 |
hex | 559817a |
89751930 has 16 divisors (see below), whose sum is σ = 215404704. Its totient is φ = 23933840.
The previous prime is 89751929. The next prime is 89751947. The reversal of 89751930 is 3915798.
It is a happy number.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
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, 1495836 + ... + 1495895.
It is an arithmetic number, because the mean of its divisors is an integer number (13462794).
Almost surely, 289751930 is an apocalyptic number.
89751930 is an abundant number, since it is smaller than the sum of its proper divisors (125652774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89751930 is a wasteful number, since it uses less digits than its factorization.
89751930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2991741.
The product of its (nonzero) digits is 68040, while the sum is 42.
The square root of 89751930 is about 9473.7495217047. The cubic root of 89751930 is about 447.7283542670.
The spelling of 89751930 in words is "eighty-nine million, seven hundred fifty-one thousand, nine hundred thirty".
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