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300000005 = 5151397351
BaseRepresentation
bin10001111000011…
…010001100000101
3202220111120122022
4101320122030011
51103300000010
645434012525
710301646404
oct2170321405
9686446568
10300000005
11144384498
1284577145
134a1caac6
142bbb363b
151b50dd55
hex11e1a305

300000005 has 8 divisors (see below), whose sum is σ = 362385024. Its totient is φ = 238410000.

The previous prime is 299999977. The next prime is 300000007. The reversal of 300000005 is 500000003.

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

It is not a de Polignac number, because 300000005 - 218 = 299737861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 299999938 and 300000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300000007) 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, 197921 + ... + 199430.

It is an arithmetic number, because the mean of its divisors is an integer number (45298128).

Almost surely, 2300000005 is an apocalyptic number.

It is an amenable number.

300000005 is a deficient number, since it is larger than the sum of its proper divisors (62385019).

300000005 is a wasteful number, since it uses less digits than its factorization.

300000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397507.

The product of its (nonzero) digits is 15, while the sum is 8.

The square root of 300000005 is about 17320.5082200263. The cubic root of 300000005 is about 669.4329538012.

Adding to 300000005 its reverse (500000003), we get a palindrome (800000008).

The spelling of 300000005 in words is "three hundred million, five", and thus it is an aban number.

Divisors: 1 5 151 755 397351 1986755 60000001 300000005