Base | Representation |
---|---|
bin | 11100001100011011100000 |
3 | 111220111110200 |
4 | 130030123200 |
5 | 3343002234 |
6 | 422225200 |
7 | 116551641 |
oct | 34143340 |
9 | 14814420 |
10 | 7390944 |
11 | 4198a20 |
12 | 2585200 |
13 | 16ba152 |
14 | da56c8 |
15 | 9aed99 |
hex | 70c6e0 |
7390944 has 72 divisors (see below), whose sum is σ = 22938552. Its totient is φ = 2238720.
The previous prime is 7390931. The next prime is 7390951. The reversal of 7390944 is 4490937.
It is a tau number, because it is divible by the number of its divisors (72).
It is a super-2 number, since 2×73909442 = 109252106422272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 7390899 and 7390908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2002 + ... + 4334.
It is an arithmetic number, because the mean of its divisors is an integer number (318591).
Almost surely, 27390944 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 7390944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11469276).
7390944 is an abundant number, since it is smaller than the sum of its proper divisors (15547608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7390944 is a wasteful number, since it uses less digits than its factorization.
7390944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2360 (or 2349 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 7390944 is about 2718.6290662759. The cubic root of 7390944 is about 194.7899908702.
The spelling of 7390944 in words is "seven million, three hundred ninety thousand, nine hundred forty-four".
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