Search a number
-
+
8042242 = 213309317
BaseRepresentation
bin11110101011011100000010
3120010120212211
4132223130002
54024322432
6444212334
7125233525
oct36533402
916116784
108042242
1145a328a
12283a0aa
131887730
1410d4bbc
15a8cd47
hex7ab702

8042242 has 8 divisors (see below), whose sum is σ = 12991356. Its totient is φ = 3711792.

The previous prime is 8042239. The next prime is 8042267. The reversal of 8042242 is 2422408.

It can be written as a sum of positive squares in 2 ways, for example, as 7946761 + 95481 = 2819^2 + 309^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154633 + ... + 154684.

Almost surely, 28042242 is an apocalyptic number.

8042242 is a deficient number, since it is larger than the sum of its proper divisors (4949114).

8042242 is a wasteful number, since it uses less digits than its factorization.

8042242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309332.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 8042242 is about 2835.8846944120. The cubic root of 8042242 is about 200.3513988991.

The spelling of 8042242 in words is "eight million, forty-two thousand, two hundred forty-two".

Divisors: 1 2 13 26 309317 618634 4021121 8042242