Base | Representation |
---|---|
bin | 1010100101101… |
… | …00111010100000 |
3 | 20012010121001210 |
4 | 11102310322200 |
5 | 140214241113 |
6 | 12451430120 |
7 | 2125653354 |
oct | 522647240 |
9 | 205117053 |
10 | 88821408 |
11 | 46156925 |
12 | 258b5340 |
13 | 1552b660 |
14 | bb21464 |
15 | 7be76c3 |
hex | 54b4ea0 |
88821408 has 48 divisors (see below), whose sum is σ = 251094816. Its totient is φ = 27329280.
The previous prime is 88821407. The next prime is 88821419. The reversal of 88821408 is 80412888.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (88821407) 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, 34338 + ... + 36833.
It is an arithmetic number, because the mean of its divisors is an integer number (5231142).
Almost surely, 288821408 is an apocalyptic number.
It is an amenable number.
88821408 is an abundant number, since it is smaller than the sum of its proper divisors (162273408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88821408 is a wasteful number, since it uses less digits than its factorization.
88821408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71197 (or 71189 counting only the distinct ones).
The product of its (nonzero) digits is 32768, while the sum is 39.
The square root of 88821408 is about 9424.5110217984. The cubic root of 88821408 is about 446.1756699712.
The spelling of 88821408 in words is "eighty-eight million, eight hundred twenty-one thousand, four hundred eight".
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