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23409001 = 711304013
BaseRepresentation
bin101100101001…
…1000101101001
31122001022010001
41121103011221
521443042001
62153423001
7402654550
oct131230551
948038101
1023409001
1112239590
127a0aa61
134b07ca5
143174d97
1520c6001
hex1653169

23409001 has 8 divisors (see below), whose sum is σ = 29185344. Its totient is φ = 18240720.

The previous prime is 23408989. The next prime is 23409011. The reversal of 23409001 is 10090432.

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 23409001 - 27 = 23408873 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 23409001.

It is not an unprimeable number, because it can be changed into a prime (23409011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151930 + ... + 152083.

It is an arithmetic number, because the mean of its divisors is an integer number (3648168).

Almost surely, 223409001 is an apocalyptic number.

It is an amenable number.

23409001 is a deficient number, since it is larger than the sum of its proper divisors (5776343).

23409001 is a wasteful number, since it uses less digits than its factorization.

23409001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304031.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 23409001 is about 4838.2849234000. The cubic root of 23409001 is about 286.0625199523.

Adding to 23409001 its reverse (10090432), we get a palindrome (33499433).

The spelling of 23409001 in words is "twenty-three million, four hundred nine thousand, one".

Divisors: 1 7 11 77 304013 2128091 3344143 23409001