Base | Representation |
---|---|
bin | 1010100000011… |
… | …1100000010011 |
3 | 10001221000221201 |
4 | 2220013200103 |
5 | 42240232211 |
6 | 4212332031 |
7 | 1043411452 |
oct | 250074023 |
9 | 101830851 |
10 | 44070931 |
11 | 22971163 |
12 | 12914017 |
13 | 9190798 |
14 | 5bd2b99 |
15 | 3d080c1 |
hex | 2a07813 |
44070931 has 8 divisors (see below), whose sum is σ = 45411840. Its totient is φ = 42748992.
The previous prime is 44070893. The next prime is 44070973. The reversal of 44070931 is 13907044.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 44070931 - 29 = 44070419 is a prime.
It is a super-4 number, since 4×440709314 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 44070931.
It is not an unprimeable number, because it can be changed into a prime (44070331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46 + ... + 9388.
It is an arithmetic number, because the mean of its divisors is an integer number (5676480).
Almost surely, 244070931 is an apocalyptic number.
44070931 is a deficient number, since it is larger than the sum of its proper divisors (1340909).
44070931 is an equidigital number, since it uses as much as digits as its factorization.
44070931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9485.
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 44070931 is about 6638.5940529603. The cubic root of 44070931 is about 353.2244370919.
Adding to 44070931 its reverse (13907044), we get a palindrome (57977975).
The spelling of 44070931 in words is "forty-four million, seventy thousand, nine hundred thirty-one".
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