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4097947 = 71493929
BaseRepresentation
bin1111101000011110011011
321201012022211
433220132123
52022113242
6223455551
746555240
oct17503633
97635284
104097947
112349937
1214575b7
13b06329
147895c7
1555e317
hex3e879b

4097947 has 8 divisors (see below), whose sum is σ = 4716000. Its totient is φ = 3488064.

The previous prime is 4097923. The next prime is 4097953. The reversal of 4097947 is 7497904.

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 4097947 - 211 = 4095899 is a prime.

It is a super-2 number, since 2×40979472 = 33586339229618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4097917) 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, 922 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (589500).

Almost surely, 24097947 is an apocalyptic number.

4097947 is a deficient number, since it is larger than the sum of its proper divisors (618053).

4097947 is a wasteful number, since it uses less digits than its factorization.

4097947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 4097947 is about 2024.3386574385. The cubic root of 4097947 is about 160.0253475467.

The spelling of 4097947 in words is "four million, ninety-seven thousand, nine hundred forty-seven".

Divisors: 1 7 149 1043 3929 27503 585421 4097947