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30233001 = 310077667
BaseRepresentation
bin111001101010…
…1000110101001
32002212222212210
41303111012221
530214424001
62555555333
7514655601
oct163250651
962788783
1030233001
111607a557
12a15bb49
136357066
14402dc01
1529c2dd6
hex1cd51a9

30233001 has 4 divisors (see below), whose sum is σ = 40310672. Its totient is φ = 20155332.

The previous prime is 30232997. The next prime is 30233011. The reversal of 30233001 is 10033203.

It is a happy number.

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: 10033203 = 33344401.

It is not a de Polignac number, because 30233001 - 22 = 30232997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30233011) 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, 5038831 + ... + 5038836.

It is an arithmetic number, because the mean of its divisors is an integer number (10077668).

Almost surely, 230233001 is an apocalyptic number.

It is an amenable number.

30233001 is a deficient number, since it is larger than the sum of its proper divisors (10077671).

30233001 is a wasteful number, since it uses less digits than its factorization.

30233001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077670.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30233001 is about 5498.4544191982. The cubic root of 30233001 is about 311.5256083661.

Adding to 30233001 its reverse (10033203), we get a palindrome (40266204).

The spelling of 30233001 in words is "thirty million, two hundred thirty-three thousand, one".

Divisors: 1 3 10077667 30233001