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300220101 = 346160761
BaseRepresentation
bin10001111001001…
…111111011000101
3202220220202120000
4101321033323011
51103324020401
645442431513
710303554156
oct2171177305
9686822500
10300220101
11144514895
1284662599
134a27703c
142bc2d92d
151b554186
hex11e4fec5

300220101 has 20 divisors (see below), whose sum is σ = 455836524. Its totient is φ = 196862400.

The previous prime is 300220073. The next prime is 300220111. The reversal of 300220101 is 101022003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134583201 + 165636900 = 11601^2 + 12870^2 .

It is not a de Polignac number, because 300220101 - 25 = 300220069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25440 + ... + 35321.

Almost surely, 2300220101 is an apocalyptic number.

It is an amenable number.

300220101 is a deficient number, since it is larger than the sum of its proper divisors (155616423).

300220101 is an equidigital number, since it uses as much as digits as its factorization.

300220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60834 (or 60825 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 300220101 is about 17326.8606793037. The cubic root of 300220101 is about 669.5966243519.

Adding to 300220101 its reverse (101022003), we get a palindrome (401242104).

The spelling of 300220101 in words is "three hundred million, two hundred twenty thousand, one hundred one".

Divisors: 1 3 9 27 61 81 183 549 1647 4941 60761 182283 546849 1640547 3706421 4921641 11119263 33357789 100073367 300220101