Base | Representation |
---|---|
bin | 1010010000001… |
… | …1110110010100 |
3 | 2222221000000221 |
4 | 2210003312110 |
5 | 42002214010 |
6 | 4133444124 |
7 | 1031361643 |
oct | 244036624 |
9 | 88830027 |
10 | 43007380 |
11 | 22305099 |
12 | 124a0644 |
13 | 8baa670 |
14 | 59d735a |
15 | 3b97dda |
hex | 2903d94 |
43007380 has 48 divisors (see below), whose sum is σ = 99129744. Its totient is φ = 15575040.
The previous prime is 43007369. The next prime is 43007383. The reversal of 43007380 is 8370034.
It can be written as a sum of positive squares in 8 ways, for example, as 11062276 + 31945104 = 3326^2 + 5652^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43007383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12220 + ... + 15340.
It is an arithmetic number, because the mean of its divisors is an integer number (2065203).
Almost surely, 243007380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 43007380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49564872).
43007380 is an abundant number, since it is smaller than the sum of its proper divisors (56122364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43007380 is a wasteful number, since it uses less digits than its factorization.
43007380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3196 (or 3194 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 43007380 is about 6558.0012198840. The cubic root of 43007380 is about 350.3598475880.
The spelling of 43007380 in words is "forty-three million, seven thousand, three hundred eighty".
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