Search a number
-
+
8042256 = 243255849
BaseRepresentation
bin11110101011011100010000
3120010120220100
4132223130100
54024323011
6444212400
7125233545
oct36533420
916116810
108042256
1145a32a2
12283a100
131887741
1410d4bcc
15a8cd56
hex7ab710

8042256 has 30 divisors (see below), whose sum is σ = 22507550. Its totient is φ = 2680704.

The previous prime is 8042239. The next prime is 8042267. The reversal of 8042256 is 6522408.

8042256 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7750656 + 291600 = 2784^2 + 540^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27781 + ... + 28068.

Almost surely, 28042256 is an apocalyptic number.

It is an amenable number.

8042256 is an abundant number, since it is smaller than the sum of its proper divisors (14465294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8042256 is a wasteful number, since it uses less digits than its factorization.

8042256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55863 (or 55854 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8042256 is about 2835.8871627764. The cubic root of 8042256 is about 200.3515151569.

The spelling of 8042256 in words is "eight million, forty-two thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 55849 111698 167547 223396 335094 446792 502641 670188 893584 1005282 1340376 2010564 2680752 4021128 8042256