Search a number
-
+
23415609 = 371115029
BaseRepresentation
bin101100101010…
…0101100111001
31122001122011210
41121110230321
521443244414
62153513333
7403013040
oct131245471
948048153
1023415609
1112243548
127a12849
134b0acb9
143177557
1520c7e59
hex1654b39

23415609 has 8 divisors (see below), whose sum is σ = 35680960. Its totient is φ = 13380336.

The previous prime is 23415583. The next prime is 23415631. The reversal of 23415609 is 90651432.

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

It is not a de Polignac number, because 23415609 - 216 = 23350073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23415649) 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, 557494 + ... + 557535.

It is an arithmetic number, because the mean of its divisors is an integer number (4460120).

Almost surely, 223415609 is an apocalyptic number.

It is an amenable number.

23415609 is a deficient number, since it is larger than the sum of its proper divisors (12265351).

23415609 is a wasteful number, since it uses less digits than its factorization.

23415609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115039.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 23415609 is about 4838.9677618269. The cubic root of 23415609 is about 286.0894344326.

The spelling of 23415609 in words is "twenty-three million, four hundred fifteen thousand, six hundred nine".

Divisors: 1 3 7 21 1115029 3345087 7805203 23415609