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3434021 = 16720563
BaseRepresentation
bin1101000110011000100101
320110110120222
431012120211
51334342041
6201334125
741121503
oct15063045
96413528
103434021
111a36038
121197345
13933086
14655673
1547c74b
hex346625

3434021 has 4 divisors (see below), whose sum is σ = 3454752. Its totient is φ = 3413292.

The previous prime is 3433979. The next prime is 3434047. The reversal of 3434021 is 1204343.

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 an emirpimes, since its reverse is a distinct semiprime: 1204343 = 7172049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3434021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3436021) 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, 10115 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (863688).

Almost surely, 23434021 is an apocalyptic number.

It is an amenable number.

3434021 is a deficient number, since it is larger than the sum of its proper divisors (20731).

3434021 is a wasteful number, since it uses less digits than its factorization.

3434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20730.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3434021 is about 1853.1111677393. Note that the first 4 decimals coincide. The cubic root of 3434021 is about 150.8693371381.

Adding to 3434021 its reverse (1204343), we get a palindrome (4638364).

The spelling of 3434021 in words is "three million, four hundred thirty-four thousand, twenty-one".

Divisors: 1 167 20563 3434021