Search a number
-
+
7942285928 = 234092427349
BaseRepresentation
bin1110110010110010…
…11010101001101000
3202111111210221002002
413121121122221220
5112231211122203
63352034430132
7400550213363
oct73131325150
922444727062
107942285928
113406238a75
121657a32348
139975b6795
14554b630da
153173e9d88
hex1d965aa68

7942285928 has 16 divisors (see below), whose sum is σ = 14928202500. Its totient is φ = 3961431936.

The previous prime is 7942285909. The next prime is 7942285933. The reversal of 7942285928 is 8295822497.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7900009924 + 42276004 = 88882^2 + 6502^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210403 + ... + 1216946.

Almost surely, 27942285928 is an apocalyptic number.

It is an amenable number.

7942285928 is a deficient number, since it is larger than the sum of its proper divisors (6985916572).

7942285928 is a wasteful number, since it uses less digits than its factorization.

7942285928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427764 (or 2427760 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The square root of 7942285928 is about 89119.5036341653. The cubic root of 7942285928 is about 1995.1788817476.

The spelling of 7942285928 in words is "seven billion, nine hundred forty-two million, two hundred eighty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 409 818 1636 3272 2427349 4854698 9709396 19418792 992785741 1985571482 3971142964 7942285928