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300034021 = 779542557
BaseRepresentation
bin10001111000100…
…010011111100101
3202220120022022011
4101320202133211
51103302042041
645434434221
710302150520
oct2170423745
9686508264
10300034021
111443a8001
1284592971
134a210431
142bbc1bb7
151b518e81
hex11e227e5

300034021 has 8 divisors (see below), whose sum is σ = 347237120. Its totient is φ = 253916208.

The previous prime is 300033989. The next prime is 300034039. The reversal of 300034021 is 120430003.

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

It is not a de Polignac number, because 300034021 - 25 = 300033989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300033992 and 300034010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300034061) 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, 270726 + ... + 271831.

It is an arithmetic number, because the mean of its divisors is an integer number (43404640).

Almost surely, 2300034021 is an apocalyptic number.

It is an amenable number.

300034021 is a deficient number, since it is larger than the sum of its proper divisors (47203099).

300034021 is an equidigital number, since it uses as much as digits as its factorization.

300034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542643.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 300034021 is about 17321.4901495224. The cubic root of 300034021 is about 669.4582544350.

Adding to 300034021 its reverse (120430003), we get a palindrome (420464024).

The spelling of 300034021 in words is "three hundred million, thirty-four thousand, twenty-one".

Divisors: 1 7 79 553 542557 3797899 42862003 300034021