Base | Representation |
---|---|
bin | 11100001100010010101100 |
3 | 111220110200210 |
4 | 130030102230 |
5 | 3342443010 |
6 | 422222420 |
7 | 116550204 |
oct | 34142254 |
9 | 14813623 |
10 | 7390380 |
11 | 4198558 |
12 | 2584a10 |
13 | 16b9b0a |
14 | da5404 |
15 | 9aeb20 |
hex | 70c4ac |
7390380 has 48 divisors (see below), whose sum is σ = 21258720. Its totient is φ = 1916928.
The previous prime is 7390379. The next prime is 7390381. The reversal of 7390380 is 830937.
It is an interprime number because it is at equal distance from previous prime (7390379) and next prime (7390381).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (7390381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556 + ... + 3884.
It is an arithmetic number, because the mean of its divisors is an integer number (442890).
Almost surely, 27390380 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 7390380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10629360).
7390380 is an abundant number, since it is smaller than the sum of its proper divisors (13868340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7390380 is a wasteful number, since it uses less digits than its factorization.
7390380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3378 (or 3376 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 7390380 is about 2718.5253355450. The cubic root of 7390380 is about 194.7850359619.
The spelling of 7390380 in words is "seven million, three hundred ninety thousand, three hundred eighty".
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