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7042808 = 23883997
BaseRepresentation
bin11010110111011011111000
3111020210220202
4122313123320
53300332213
6410541332
7113601653
oct32673370
914223822
107042808
113a80403
122437848
1315c7856
14d1489a
15941b58
hex6b76f8

7042808 has 16 divisors (see below), whose sum is σ = 13233480. Its totient is φ = 3513888.

The previous prime is 7042801. The next prime is 7042823. The reversal of 7042808 is 8082407.

It is a super-2 number, since 2×70428082 = 99202289049728, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6566 + ... + 7562.

Almost surely, 27042808 is an apocalyptic number.

It is an amenable number.

7042808 is a deficient number, since it is larger than the sum of its proper divisors (6190672).

7042808 is a wasteful number, since it uses less digits than its factorization.

7042808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 7042808 is about 2653.8289319397. The cubic root of 7042808 is about 191.6822725373.

The spelling of 7042808 in words is "seven million, forty-two thousand, eight hundred eight".

Divisors: 1 2 4 8 883 997 1766 1994 3532 3988 7064 7976 880351 1760702 3521404 7042808