Base | Representation |
---|---|
bin | 1000001011010… |
… | …00010000110100 |
3 | 11210001110020200 |
4 | 10011220100310 |
5 | 120024201000 |
6 | 10450000500 |
7 | 1461646545 |
oct | 405502064 |
9 | 153043220 |
10 | 68584500 |
11 | 35794606 |
12 | 1ab76130 |
13 | 1129445a |
14 | 91744cc |
15 | 604b500 |
hex | 4168434 |
68584500 has 72 divisors (see below), whose sum is σ = 216375432. Its totient is φ = 18288000.
The previous prime is 68584499. The next prime is 68584517. The reversal of 68584500 is 548586.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 224676 + 68359824 = 474^2 + 8268^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3121 + ... + 12120.
Almost surely, 268584500 is an apocalyptic number.
68584500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68584500 is an abundant number, since it is smaller than the sum of its proper divisors (147790932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68584500 is a wasteful number, since it uses less digits than its factorization.
68584500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15266 (or 15251 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 68584500 is about 8281.5759369820. The cubic root of 68584500 is about 409.3316495479.
The spelling of 68584500 in words is "sixty-eight million, five hundred eighty-four thousand, five hundred".
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