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3405004321 = 43143355259
BaseRepresentation
bin1100101011110100…
…0011111000100001
322210022010010211011
43022331003320201
523433140114241
61321513020521
7150244026205
oct31275037041
98708103734
103405004321
111498044164
127b03b4741
13423588874
14244310b05
1514dde5281
hexcaf43e21

3405004321 has 8 divisors (see below), whose sum is σ = 3486684960. Its totient is φ = 3323437152.

The previous prime is 3405004303. The next prime is 3405004333. The reversal of 3405004321 is 1234005043.

3405004321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3405004321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3405004292 and 3405004301.

It is not an unprimeable number, because it can be changed into a prime (3405004391) 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, 33990 + ... + 89248.

It is an arithmetic number, because the mean of its divisors is an integer number (435835620).

Almost surely, 23405004321 is an apocalyptic number.

It is an amenable number.

3405004321 is a deficient number, since it is larger than the sum of its proper divisors (81680639).

3405004321 is a wasteful number, since it uses less digits than its factorization.

3405004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56735.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3405004321 is about 58352.4148686239. The cubic root of 3405004321 is about 1504.4319767503.

Adding to 3405004321 its reverse (1234005043), we get a palindrome (4639009364).

The spelling of 3405004321 in words is "three billion, four hundred five million, four thousand, three hundred twenty-one".

Divisors: 1 43 1433 55259 61619 2376137 79186147 3405004321