Base | Representation |
---|---|
bin | 1001100101111… |
… | …0111010111000 |
3 | 2210201010121100 |
4 | 2121132322320 |
5 | 40300002210 |
6 | 3554211400 |
7 | 665663163 |
oct | 231367270 |
9 | 83633540 |
10 | 40234680 |
11 | 20790a02 |
12 | 11583b60 |
13 | 8449605 |
14 | 54b4ada |
15 | 37eb5c0 |
hex | 265eeb8 |
40234680 has 96 divisors (see below), whose sum is σ = 132640560. Its totient is φ = 10575360.
The previous prime is 40234661. The next prime is 40234681. The reversal of 40234680 is 8643204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40234681) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25515 + ... + 27045.
Almost surely, 240234680 is an apocalyptic number.
40234680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40234680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66320280).
40234680 is an abundant number, since it is smaller than the sum of its proper divisors (92405880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40234680 is a wasteful number, since it uses less digits than its factorization.
40234680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1621 (or 1614 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
The square root of 40234680 is about 6343.0812701715. The cubic root of 40234680 is about 342.6627141683.
Adding to 40234680 its reverse (8643204), we get a palindrome (48877884).
The spelling of 40234680 in words is "forty million, two hundred thirty-four thousand, six hundred eighty".
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