Search a number
-
+
8042229 = 321368737
BaseRepresentation
bin11110101011011011110101
3120010120212100
4132223123311
54024322404
6444212313
7125233506
oct36533365
916116770
108042229
1145a3278
12283a099
131887720
1410d4bad
15a8cd39
hex7ab6f5

8042229 has 12 divisors (see below), whose sum is σ = 12510316. Its totient is φ = 4948992.

The previous prime is 8042213. The next prime is 8042239. The reversal of 8042229 is 9222408.

It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 6260004 = 1335^2 + 2502^2 .

It is not a de Polignac number, because 8042229 - 24 = 8042213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34252 + ... + 34485.

Almost surely, 28042229 is an apocalyptic number.

It is an amenable number.

8042229 is a deficient number, since it is larger than the sum of its proper divisors (4468087).

8042229 is a wasteful number, since it uses less digits than its factorization.

8042229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68756 (or 68753 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8042229 is about 2835.8824023573. The cubic root of 8042229 is about 200.3512909454.

The spelling of 8042229 in words is "eight million, forty-two thousand, two hundred twenty-nine".

Divisors: 1 3 9 13 39 117 68737 206211 618633 893581 2680743 8042229