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30315001 = 227313337
BaseRepresentation
bin111001110100…
…1000111111001
32010001011100211
41303221013321
530230040001
63001431121
7515446633
oct163510771
963034324
1030315001
1116126122
12a19b4a1
136385492
144051a53
1529dc351
hex1ce91f9

30315001 has 4 divisors (see below), whose sum is σ = 30330612. Its totient is φ = 30299392.

The previous prime is 30314983. The next prime is 30315007. The reversal of 30315001 is 10051303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18481401 + 11833600 = 4299^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 30315001 - 215 = 30282233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30315007) 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, 4396 + ... + 8941.

It is an arithmetic number, because the mean of its divisors is an integer number (7582653).

Almost surely, 230315001 is an apocalyptic number.

It is an amenable number.

30315001 is a deficient number, since it is larger than the sum of its proper divisors (15611).

30315001 is a wasteful number, since it uses less digits than its factorization.

30315001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15610.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 30315001 is about 5505.9060108215. The cubic root of 30315001 is about 311.8070010907.

Adding to 30315001 its reverse (10051303), we get a palindrome (40366304).

The spelling of 30315001 in words is "thirty million, three hundred fifteen thousand, one".

Divisors: 1 2273 13337 30315001