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300145406 = 21137368729
BaseRepresentation
bin10001111000111…
…101101011111110
3202220202222002112
4101320331223332
51103314123111
645441054022
710303123331
oct2170755376
9686688075
10300145406
11144473760
1284627312
134a24c042
142bc10618
151b53be8b
hex11e3dafe

300145406 has 16 divisors (see below), whose sum is σ = 504422640. Its totient is φ = 132742080.

The previous prime is 300145397. The next prime is 300145409. The reversal of 300145406 is 604541003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300145409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183551 + ... + 185178.

It is an arithmetic number, because the mean of its divisors is an integer number (31526415).

Almost surely, 2300145406 is an apocalyptic number.

300145406 is a deficient number, since it is larger than the sum of its proper divisors (204277234).

300145406 is a wasteful number, since it uses less digits than its factorization.

300145406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368779.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 300145406 is about 17324.7050768548. The cubic root of 300145406 is about 669.5410876881.

Adding to 300145406 its reverse (604541003), we get a palindrome (904686409).

The spelling of 300145406 in words is "three hundred million, one hundred forty-five thousand, four hundred six".

Divisors: 1 2 11 22 37 74 407 814 368729 737458 4056019 8112038 13642973 27285946 150072703 300145406