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301342021 = 2313101827
BaseRepresentation
bin10001111101100…
…001110101000101
3210000000202112121
4101331201311011
51104120421041
645522445541
710316236111
oct2175416505
9700022477
10301342021
111451107a2
1284b038b1
134a57a8b6
142c042741
151b6c67d1
hex11f61d45

301342021 has 4 divisors (see below), whose sum is σ = 314443872. Its totient is φ = 288240172.

The previous prime is 301342007. The next prime is 301342031. The reversal of 301342021 is 120243103.

It is a happy number.

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: 120243103 = 235227961.

It is a cyclic number.

It is not a de Polignac number, because 301342021 - 225 = 267787589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 301341986 and 301342004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301342031) 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, 6550891 + ... + 6550936.

It is an arithmetic number, because the mean of its divisors is an integer number (78610968).

Almost surely, 2301342021 is an apocalyptic number.

It is an amenable number.

301342021 is a deficient number, since it is larger than the sum of its proper divisors (13101851).

301342021 is a wasteful number, since it uses less digits than its factorization.

301342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13101850.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 301342021 is about 17359.2056557897. The cubic root of 301342021 is about 670.4296798284.

Adding to 301342021 its reverse (120243103), we get a palindrome (421585124).

The spelling of 301342021 in words is "three hundred one million, three hundred forty-two thousand, twenty-one".

Divisors: 1 23 13101827 301342021