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30301321 = 151200671
BaseRepresentation
bin111001110010…
…1110010001001
32010000110121011
41303211302021
530224120241
63001243521
7515362021
oct163456211
963013534
1030301321
1116116916
12a1935a1
13637c19b
14404aa81
1529d8281
hex1ce5c89

30301321 has 4 divisors (see below), whose sum is σ = 30502144. Its totient is φ = 30100500.

The previous prime is 30301303. The next prime is 30301331. The reversal of 30301321 is 12310303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30301321 - 217 = 30170249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30301301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100185 + ... + 100486.

It is an arithmetic number, because the mean of its divisors is an integer number (7625536).

Almost surely, 230301321 is an apocalyptic number.

It is an amenable number.

30301321 is a deficient number, since it is larger than the sum of its proper divisors (200823).

30301321 is a wasteful number, since it uses less digits than its factorization.

30301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200822.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30301321 is about 5504.6635682846. The cubic root of 30301321 is about 311.7600918443.

Adding to 30301321 its reverse (12310303), we get a palindrome (42611624).

The spelling of 30301321 in words is "thirty million, three hundred one thousand, three hundred twenty-one".

Divisors: 1 151 200671 30301321