Base | Representation |
---|---|
bin | 1010100001000… |
… | …00100101010010 |
3 | 20010222201122100 |
4 | 11100200211102 |
5 | 140040320332 |
6 | 12430421230 |
7 | 2120543133 |
oct | 520404522 |
9 | 203881570 |
10 | 88213842 |
11 | 45881402 |
12 | 25661816 |
13 | 15377c52 |
14 | ba03c8a |
15 | 7b2767c |
hex | 5420952 |
88213842 has 24 divisors (see below), whose sum is σ = 192107916. Its totient is φ = 29254176.
The previous prime is 88213841. The next prime is 88213847. The reversal of 88213842 is 24831288.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 88003161 + 210681 = 9381^2 + 459^2 .
It is a junction number, because it is equal to n+sod(n) for n = 88213797 and 88213806.
It is not an unprimeable number, because it can be changed into a prime (88213841) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8893 + ... + 15984.
Almost surely, 288213842 is an apocalyptic number.
88213842 is an abundant number, since it is smaller than the sum of its proper divisors (103894074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88213842 is a wasteful number, since it uses less digits than its factorization.
88213842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25082 (or 25079 counting only the distinct ones).
The product of its digits is 24576, while the sum is 36.
The square root of 88213842 is about 9392.2224207053. Note that the first 3 decimals coincide. The cubic root of 88213842 is about 445.1560148154.
The spelling of 88213842 in words is "eighty-eight million, two hundred thirteen thousand, eight hundred forty-two".
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