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300103141 = 1323084857
BaseRepresentation
bin10001111000110…
…011010111100101
3202220200211010011
4101320303113211
51103311300031
645440130221
710302556162
oct2170632745
9686624104
10300103141
11144444a28
1284606971
134a235a30
142bbdd069
151b52e6b1
hex11e335e5

300103141 has 4 divisors (see below), whose sum is σ = 323188012. Its totient is φ = 277018272.

The previous prime is 300103121. The next prime is 300103151. The reversal of 300103141 is 141301003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141301003 = 211669673.

It can be written as a sum of positive squares in 2 ways, for example, as 178089025 + 122014116 = 13345^2 + 11046^2 .

It is a cyclic number.

It is not a de Polignac number, because 300103141 - 25 = 300103109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 23084857 = 300103141 / (3 + 0 + 0 + 1 + 0 + 3 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300103121) 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, 11542416 + ... + 11542441.

It is an arithmetic number, because the mean of its divisors is an integer number (80797003).

Almost surely, 2300103141 is an apocalyptic number.

It is an amenable number.

300103141 is a deficient number, since it is larger than the sum of its proper divisors (23084871).

300103141 is a wasteful number, since it uses less digits than its factorization.

300103141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084870.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 300103141 is about 17323.4852440264. The cubic root of 300103141 is about 669.5096590518.

Adding to 300103141 its reverse (141301003), we get a palindrome (441404144).

The spelling of 300103141 in words is "three hundred million, one hundred three thousand, one hundred forty-one".

Divisors: 1 13 23084857 300103141