Base | Representation |
---|---|
bin | 1010100110110… |
… | …11001110010000 |
3 | 20012102120022100 |
4 | 11103123032100 |
5 | 140234301240 |
6 | 12455040400 |
7 | 2130206004 |
oct | 523331620 |
9 | 205376270 |
10 | 88978320 |
11 | 46253802 |
12 | 25970100 |
13 | 15584bc2 |
14 | bb62704 |
15 | 7c28e30 |
hex | 54db390 |
88978320 has 60 divisors (see below), whose sum is σ = 298821276. Its totient is φ = 23727360.
The previous prime is 88978319. The next prime is 88978327. The reversal of 88978320 is 2387988.
It can be written as a sum of positive squares in 2 ways, for example, as 38340864 + 50637456 = 6192^2 + 7116^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (88978327) 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 11 ways as a sum of consecutive naturals, for example, 61071 + ... + 62510.
Almost surely, 288978320 is an apocalyptic number.
88978320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
88978320 is an abundant number, since it is smaller than the sum of its proper divisors (209842956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88978320 is a wasteful number, since it uses less digits than its factorization.
88978320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123600 (or 123591 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 88978320 is about 9432.8320243710. The cubic root of 88978320 is about 446.4382535531.
It can be divided in two parts, 88978 and 320, that added together give a palindrome (89298).
The spelling of 88978320 in words is "eighty-eight million, nine hundred seventy-eight thousand, three hundred twenty".
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