Base | Representation |
---|---|
bin | 1001100011011… |
… | …0011100100100 |
3 | 2210101201012100 |
4 | 2120312130210 |
5 | 40224201100 |
6 | 3550452100 |
7 | 664402644 |
oct | 230663444 |
9 | 83351170 |
10 | 40068900 |
11 | 206883a3 |
12 | 11504030 |
13 | 83bc011 |
14 | 5470524 |
15 | 37b7400 |
hex | 2636724 |
40068900 has 81 divisors (see below), whose sum is σ = 126191793. Its totient is φ = 10634400.
The previous prime is 40068893. The next prime is 40068913. The reversal of 40068900 is 986004.
The square root of 40068900 is 6330.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 14424804 + 25644096 = 3798^2 + 5064^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 189795 + ... + 190005.
Almost surely, 240068900 is an apocalyptic number.
40068900 is the 6330-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40068900
40068900 is an abundant number, since it is smaller than the sum of its proper divisors (86122893).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40068900 is a wasteful number, since it uses less digits than its factorization.
40068900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442 (or 221 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The cubic root of 40068900 is about 342.1914389363.
The spelling of 40068900 in words is "forty million, sixty-eight thousand, nine hundred".
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