Base | Representation |
---|---|
bin | 1010010100100… |
… | …1101111101000 |
3 | 10000110112202100 |
4 | 2211021233220 |
5 | 42040344142 |
6 | 4143533400 |
7 | 1033663422 |
oct | 245115750 |
9 | 100415670 |
10 | 43293672 |
11 | 224901a4 |
12 | 125ba260 |
13 | 8c7aa76 |
14 | 5a6d812 |
15 | 3c02b4c |
hex | 2949be8 |
43293672 has 48 divisors (see below), whose sum is σ = 118874340. Its totient is φ = 14231808.
The previous prime is 43293671. The next prime is 43293683. The reversal of 43293672 is 27639234.
It is a happy number.
43293672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 42850116 + 443556 = 6546^2 + 666^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43293671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1138 + ... + 9374.
Almost surely, 243293672 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 43293672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59437170).
43293672 is an abundant number, since it is smaller than the sum of its proper divisors (75580668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43293672 is a wasteful number, since it uses less digits than its factorization.
43293672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8322 (or 8315 counting only the distinct ones).
The product of its digits is 54432, while the sum is 36.
The square root of 43293672 is about 6579.7927019018. The cubic root of 43293672 is about 351.1355553077.
It can be divided in two parts, 4329 and 3672, that added together give a triangular number (8001 = T126).
The spelling of 43293672 in words is "forty-three million, two hundred ninety-three thousand, six hundred seventy-two".
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