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3993041 = 131811697
BaseRepresentation
bin1111001110110111010001
321111212102102
433032313101
52010234131
6221330145
745640343
oct17166721
97455372
103993041
112288038
121406955
13a9a660
1475d293
1553d1cb
hex3cedd1

3993041 has 8 divisors (see below), whose sum is σ = 4326504. Its totient is φ = 3663360.

The previous prime is 3993037. The next prime is 3993043. The reversal of 3993041 is 1403993.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 3900625 = 304^2 + 1975^2 .

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 3993041 - 22 = 3993037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3992995 and 3993013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993043) 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, 1505 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (540813).

Almost surely, 23993041 is an apocalyptic number.

It is an amenable number.

3993041 is a deficient number, since it is larger than the sum of its proper divisors (333463).

3993041 is a wasteful number, since it uses less digits than its factorization.

3993041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3993041 is about 1998.2594926585. The cubic root of 3993041 is about 158.6479957277.

The spelling of 3993041 in words is "three million, nine hundred ninety-three thousand, forty-one".

Divisors: 1 13 181 1697 2353 22061 307157 3993041