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23480891 = 717591907
BaseRepresentation
bin101100110010…
…0101000111011
31122011221201122
41121210220323
522002342031
62155135455
7403404260
oct131445073
948157648
1023480891
11122885a5
127a4458b
134b31925
143193267
1520dc47b
hex1664a3b

23480891 has 8 divisors (see below), whose sum is σ = 26864640. Its totient is φ = 20104488.

The previous prime is 23480869. The next prime is 23480909. The reversal of 23480891 is 19808432.

It is a happy number.

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 23480891 - 218 = 23218747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23480801) 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, 11360 + ... + 13266.

It is an arithmetic number, because the mean of its divisors is an integer number (3358080).

Almost surely, 223480891 is an apocalyptic number.

23480891 is a deficient number, since it is larger than the sum of its proper divisors (3383749).

23480891 is a wasteful number, since it uses less digits than its factorization.

23480891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 23480891 is about 4845.7085137263. The cubic root of 23480891 is about 286.3550572600.

The spelling of 23480891 in words is "twenty-three million, four hundred eighty thousand, eight hundred ninety-one".

Divisors: 1 7 1759 1907 12313 13349 3354413 23480891