Base | Representation |
---|---|
bin | 1010100011110… |
… | …00001111111001 |
3 | 20011122222012120 |
4 | 11101320033321 |
5 | 140133313141 |
6 | 12442231453 |
7 | 2123600043 |
oct | 521701771 |
9 | 204588176 |
10 | 88572921 |
11 | 45aa7168 |
12 | 257b5589 |
13 | 15472518 |
14 | ba98a93 |
15 | 7b98c66 |
hex | 54783f9 |
88572921 has 8 divisors (see below), whose sum is σ = 121906944. Its totient is φ = 57143760.
The previous prime is 88572821. The next prime is 88572923. The reversal of 88572921 is 12927588.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 88572921 - 214 = 88556537 is a prime.
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 not an unprimeable number, because it can be changed into a prime (88572923) 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, 476106 + ... + 476291.
It is an arithmetic number, because the mean of its divisors is an integer number (15238368).
Almost surely, 288572921 is an apocalyptic number.
It is an amenable number.
88572921 is a deficient number, since it is larger than the sum of its proper divisors (33334023).
88572921 is a wasteful number, since it uses less digits than its factorization.
88572921 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 952431.
The product of its digits is 80640, while the sum is 42.
The square root of 88572921 is about 9411.3187705018. The cubic root of 88572921 is about 445.7592072956.
The spelling of 88572921 in words is "eighty-eight million, five hundred seventy-two thousand, nine hundred twenty-one".
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