Search a number
-
+
4227429 = 310313681
BaseRepresentation
bin10000001000000101100101
321221202221110
4100020011211
52040234204
6230335233
750634603
oct20100545
97852843
104227429
112428148
1214ba519
13b5024b
147c0873
15587889
hex408165

4227429 has 8 divisors (see below), whose sum is σ = 5691712. Its totient is φ = 2790720.

The previous prime is 4227427. The next prime is 4227451. The reversal of 4227429 is 9247224.

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

It is not a de Polignac number, because 4227429 - 21 = 4227427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4227396 and 4227405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227427) 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 7 ways as a sum of consecutive naturals, for example, 6532 + ... + 7149.

It is an arithmetic number, because the mean of its divisors is an integer number (711464).

Almost surely, 24227429 is an apocalyptic number.

It is an amenable number.

4227429 is a deficient number, since it is larger than the sum of its proper divisors (1464283).

4227429 is a wasteful number, since it uses less digits than its factorization.

4227429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13787.

The product of its digits is 8064, while the sum is 30.

The square root of 4227429 is about 2056.0712536291. The cubic root of 4227429 is about 161.6933308247.

It can be divided in two parts, 4227 and 429, that added together give a triangular number (4656 = T96).

The spelling of 4227429 in words is "four million, two hundred twenty-seven thousand, four hundred twenty-nine".

Divisors: 1 3 103 309 13681 41043 1409143 4227429