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23081473 = 69133403
BaseRepresentation
bin101100000001…
…1001000000001
31121102122211101
41120003020001
521402101343
62142414401
7400121632
oct130031001
947378741
1023081473
11120354a8
127891401
134a21b9c
1430cb889
15205de4d
hex1603201

23081473 has 4 divisors (see below), whose sum is σ = 23115568. Its totient is φ = 23047380.

The previous prime is 23081431. The next prime is 23081491. The reversal of 23081473 is 37418032.

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.

It is a cyclic number.

It is not a de Polignac number, because 23081473 - 217 = 22950401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23081423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16011 + ... + 17392.

It is an arithmetic number, because the mean of its divisors is an integer number (5778892).

Almost surely, 223081473 is an apocalyptic number.

It is an amenable number.

23081473 is a deficient number, since it is larger than the sum of its proper divisors (34095).

23081473 is an equidigital number, since it uses as much as digits as its factorization.

23081473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34094.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23081473 is about 4804.3181618207. The cubic root of 23081473 is about 284.7220970135.

The spelling of 23081473 in words is "twenty-three million, eighty-one thousand, four hundred seventy-three".

Divisors: 1 691 33403 23081473