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23208227 = 73315461
BaseRepresentation
bin101100010001…
…0000100100011
31121200002200222
41120202010203
521420130402
62145233255
7401160320
oct130420443
947602628
1023208227
1112111759
12793282b
134a677a3
143121b47
1520867a2
hex1622123

23208227 has 4 divisors (see below), whose sum is σ = 26523696. Its totient is φ = 19892760.

The previous prime is 23208221. The next prime is 23208257. The reversal of 23208227 is 72280232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23208227 - 28 = 23207971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23208196 and 23208205.

It is not an unprimeable number, because it can be changed into a prime (23208221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657724 + ... + 1657737.

It is an arithmetic number, because the mean of its divisors is an integer number (6630924).

Almost surely, 223208227 is an apocalyptic number.

23208227 is a deficient number, since it is larger than the sum of its proper divisors (3315469).

23208227 is an equidigital number, since it uses as much as digits as its factorization.

23208227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315468.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 23208227 is about 4817.4917747724. The cubic root of 23208227 is about 285.2423382517.

Adding to 23208227 its reverse (72280232), we get a palindrome (95488459).

The spelling of 23208227 in words is "twenty-three million, two hundred eight thousand, two hundred twenty-seven".

Divisors: 1 7 3315461 23208227