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4238227 = 73119531
BaseRepresentation
bin10000001010101110010011
321222022202101
4100022232103
52041110402
6230501231
751011230
oct20125623
97868671
104238227
112435274
121504817
13b55136
147c4787
1558ab87
hex40ab93

4238227 has 8 divisors (see below), whose sum is σ = 5000192. Its totient is φ = 3515400.

The previous prime is 4238189. The next prime is 4238231. The reversal of 4238227 is 7228324.

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

It is not a de Polignac number, because 4238227 - 215 = 4205459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4238195 and 4238204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238237) 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, 9549 + ... + 9982.

It is an arithmetic number, because the mean of its divisors is an integer number (625024).

Almost surely, 24238227 is an apocalyptic number.

4238227 is a deficient number, since it is larger than the sum of its proper divisors (761965).

4238227 is a wasteful number, since it uses less digits than its factorization.

4238227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19569.

The product of its digits is 5376, while the sum is 28.

The square root of 4238227 is about 2058.6954607226. The cubic root of 4238227 is about 161.8308833132.

It can be divided in two parts, 4238 and 227, that added together give a triangular number (4465 = T94).

The spelling of 4238227 in words is "four million, two hundred thirty-eight thousand, two hundred twenty-seven".

Divisors: 1 7 31 217 19531 136717 605461 4238227