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4000793 = 16272459
BaseRepresentation
bin1111010000110000011001
321112021001112
433100300121
52011011133
6221430105
746002056
oct17206031
97467045
104000793
112292945
12140b335
13aa1044
1476202d
15540648
hex3d0c19

4000793 has 4 divisors (see below), whose sum is σ = 4004880. Its totient is φ = 3996708.

The previous prime is 4000751. The next prime is 4000813. The reversal of 4000793 is 3970004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4000793 - 216 = 3935257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (1001220).

Almost surely, 24000793 is an apocalyptic number.

It is an amenable number.

4000793 is a deficient number, since it is larger than the sum of its proper divisors (4087).

4000793 is a wasteful number, since it uses less digits than its factorization.

4000793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 4000793 is about 2000.1982401752. The cubic root of 4000793 is about 158.7505945790.

Adding to 4000793 its reverse (3970004), we get a palindrome (7970797).

The spelling of 4000793 in words is "four million, seven hundred ninety-three", and thus it is an aban number.

Divisors: 1 1627 2459 4000793