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300000053 = 1409212917
BaseRepresentation
bin10001111000011…
…010001100110101
3202220111120201002
4101320122030311
51103300000203
645434013045
710301646503
oct2170321465
9686446632
10300000053
11144384531
1284577185
134a1cab32
142bbb3673
151b50dd88
hex11e1a335

300000053 has 4 divisors (see below), whose sum is σ = 300214380. Its totient is φ = 299785728.

The previous prime is 300000047. The next prime is 300000089. The reversal of 300000053 is 350000003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350000003 = 1979176857.

It can be written as a sum of positive squares in 2 ways, for example, as 10387729 + 289612324 = 3223^2 + 17018^2 .

It is a cyclic number.

It is not a de Polignac number, because 300000053 - 214 = 299983669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300000353) 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, 105050 + ... + 107867.

It is an arithmetic number, because the mean of its divisors is an integer number (75053595).

Almost surely, 2300000053 is an apocalyptic number.

It is an amenable number.

300000053 is a deficient number, since it is larger than the sum of its proper divisors (214327).

300000053 is a wasteful number, since it uses less digits than its factorization.

300000053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214326.

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 300000053 is about 17320.5096056669. The cubic root of 300000053 is about 669.4329895043.

Adding to 300000053 its reverse (350000003), we get a palindrome (650000056).

The spelling of 300000053 in words is "three hundred million, fifty-three", and thus it is an aban number.

Divisors: 1 1409 212917 300000053