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30320011 = 40175611
BaseRepresentation
bin111001110101…
…0010110001011
32010001102020101
41303222112023
530230220021
63001510231
7515500351
oct163522613
963042211
1030320011
1116129967
12a1a2377
136387847
1440537d1
1529dda91
hex1cea58b

30320011 has 4 divisors (see below), whose sum is σ = 30396024. Its totient is φ = 30244000.

The previous prime is 30320009. The next prime is 30320021. The reversal of 30320011 is 11002303.

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

It is a cyclic number.

It is not a de Polignac number, because 30320011 - 21 = 30320009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30320011.

It is not an unprimeable number, because it can be changed into a prime (30320021) 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, 37405 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (7599006).

Almost surely, 230320011 is an apocalyptic number.

30320011 is a deficient number, since it is larger than the sum of its proper divisors (76013).

30320011 is an equidigital number, since it uses as much as digits as its factorization.

30320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76012.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30320011 is about 5506.3609580194. The cubic root of 30320011 is about 311.8241770429.

Adding to 30320011 its reverse (11002303), we get a palindrome (41322314).

The spelling of 30320011 in words is "thirty million, three hundred twenty thousand, eleven".

Divisors: 1 401 75611 30320011