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3994833 = 31331611
BaseRepresentation
bin1111001111010011010001
321111221212210
433033103101
52010313313
6221342333
745645513
oct17172321
97457783
103994833
112289417
1214079a9
13a9b40b
1475dbb3
1553d9c3
hex3cf4d1

3994833 has 4 divisors (see below), whose sum is σ = 5326448. Its totient is φ = 2663220.

The previous prime is 3994817. The next prime is 3994841. The reversal of 3994833 is 3384993.

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.

It is not a de Polignac number, because 3994833 - 24 = 3994817 is a prime.

It is a D-number.

It is a Duffinian number.

3994833 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3994791 and 3994800.

It is not an unprimeable number, because it can be changed into a prime (3994843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665803 + ... + 665808.

It is an arithmetic number, because the mean of its divisors is an integer number (1331612).

Almost surely, 23994833 is an apocalyptic number.

It is an amenable number.

3994833 is a deficient number, since it is larger than the sum of its proper divisors (1331615).

3994833 is a wasteful number, since it uses less digits than its factorization.

3994833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331614.

The product of its digits is 69984, while the sum is 39.

The square root of 3994833 is about 1998.7078325758. The cubic root of 3994833 is about 158.6717249013.

The spelling of 3994833 in words is "three million, nine hundred ninety-four thousand, eight hundred thirty-three".

Divisors: 1 3 1331611 3994833