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30333113 = 231318831
BaseRepresentation
bin111001110110…
…1100010111001
32010002002012122
41303231202321
530231124423
63002051025
7515553506
oct163554271
963062178
1030333113
1116138798
12a1a9a75
1363907b5
1440584ad
1529e28c8
hex1ced8b9

30333113 has 4 divisors (see below), whose sum is σ = 31651968. Its totient is φ = 29014260.

The previous prime is 30333091. The next prime is 30333131. The reversal of 30333113 is 31133303.

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: 31133303 = 47516553.

It is a cyclic number.

It is not a de Polignac number, because 30333113 - 218 = 30070969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30333091 and 30333100.

It is not an unprimeable number, because it can be changed into a prime (30333613) 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, 659393 + ... + 659438.

It is an arithmetic number, because the mean of its divisors is an integer number (7912992).

Almost surely, 230333113 is an apocalyptic number.

It is an amenable number.

30333113 is a deficient number, since it is larger than the sum of its proper divisors (1318855).

30333113 is a wasteful number, since it uses less digits than its factorization.

30333113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318854.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 30333113 is about 5507.5505444798. The cubic root of 30333113 is about 311.8690861298.

Adding to 30333113 its reverse (31133303), we get a palindrome (61466416).

The spelling of 30333113 in words is "thirty million, three hundred thirty-three thousand, one hundred thirteen".

Divisors: 1 23 1318831 30333113