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23430009 = 39118573
BaseRepresentation
bin101100101100…
…0001101111001
31122002100221010
41121120031321
521444230014
62154104133
7403103031
oct131301571
948070833
1023430009
1112253349
127a1b049
134b14715
14317c8c1
1520cc359
hex1658379

23430009 has 8 divisors (see below), whose sum is σ = 31277952. Its totient is φ = 15601040.

The previous prime is 23429993. The next prime is 23430013. The reversal of 23430009 is 90003432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23430009 - 24 = 23429993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23430049) 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 7 ways as a sum of consecutive naturals, for example, 1554 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (3909744).

Almost surely, 223430009 is an apocalyptic number.

It is an amenable number.

23430009 is a deficient number, since it is larger than the sum of its proper divisors (7847943).

23430009 is an equidigital number, since it uses as much as digits as its factorization.

23430009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23430009 is about 4840.4554537771. The cubic root of 23430009 is about 286.1480683072.

The spelling of 23430009 in words is "twenty-three million, four hundred thirty thousand, nine".

Divisors: 1 3 911 2733 8573 25719 7810003 23430009