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30323341 = 227133583
BaseRepresentation
bin111001110101…
…1001010001101
32010001120210201
41303223022031
530230321331
63001533501
7515513146
oct163531215
963046721
1030323341
1116131414
12a1a4291
136389209
144054acd
1529dea61
hex1ceb28d

30323341 has 4 divisors (see below), whose sum is σ = 30457152. Its totient is φ = 30189532.

The previous prime is 30323339. The next prime is 30323353. The reversal of 30323341 is 14332303.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14332303 = 36593917.

It is a cyclic number.

It is not a de Polignac number, because 30323341 - 21 = 30323339 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 (30323141) 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, 66565 + ... + 67018.

It is an arithmetic number, because the mean of its divisors is an integer number (7614288).

Almost surely, 230323341 is an apocalyptic number.

It is an amenable number.

30323341 is a deficient number, since it is larger than the sum of its proper divisors (133811).

30323341 is a wasteful number, since it uses less digits than its factorization.

30323341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133810.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 30323341 is about 5506.6633272791. The cubic root of 30323341 is about 311.8355923477.

Adding to 30323341 its reverse (14332303), we get a palindrome (44655644).

The spelling of 30323341 in words is "thirty million, three hundred twenty-three thousand, three hundred forty-one".

Divisors: 1 227 133583 30323341