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34201021 = 67510463
BaseRepresentation
bin1000001001110…
…1110110111101
32101100120222111
42002131312331
532223413041
63221014021
7563463301
oct202356675
971316874
1034201021
111833a808
12b554311
1371161ba
144783d01
153008981
hex209ddbd

34201021 has 4 divisors (see below), whose sum is σ = 34711552. Its totient is φ = 33690492.

The previous prime is 34201001. The next prime is 34201043. The reversal of 34201021 is 12010243.

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 a cyclic number.

It is not a de Polignac number, because 34201021 - 211 = 34198973 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 34200992 and 34201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34201001) 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, 255165 + ... + 255298.

It is an arithmetic number, because the mean of its divisors is an integer number (8677888).

Almost surely, 234201021 is an apocalyptic number.

It is an amenable number.

34201021 is a deficient number, since it is larger than the sum of its proper divisors (510531).

34201021 is an equidigital number, since it uses as much as digits as its factorization.

34201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510530.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 34201021 is about 5848.1638998920. The cubic root of 34201021 is about 324.5983867579.

Adding to 34201021 its reverse (12010243), we get a palindrome (46211264).

It can be divided in two parts, 3 and 4201021, that added together give a palindrome (4201024).

The spelling of 34201021 in words is "thirty-four million, two hundred one thousand, twenty-one".

Divisors: 1 67 510463 34201021