Search a number
-
+
8006998 = 238310453
BaseRepresentation
bin11110100010110101010110
3120001210112111
4132202311112
54022210443
6443341234
7125026006
oct36426526
916053474
108006998
11457985a
12282181a
13187468c
1410c6006
15a8269d
hex7a2d56

8006998 has 8 divisors (see below), whose sum is σ = 12043008. Its totient is φ = 3992664.

The previous prime is 8006989. The next prime is 8007001. The reversal of 8006998 is 8996008.

It is a happy number.

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

It is a super-2 number, since 2×80069982 = 128224033944008, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8006998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461 + ... + 5992.

It is an arithmetic number, because the mean of its divisors is an integer number (1505376).

Almost surely, 28006998 is an apocalyptic number.

8006998 is a deficient number, since it is larger than the sum of its proper divisors (4036010).

8006998 is a wasteful number, since it uses less digits than its factorization.

8006998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10838.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 8006998 is about 2829.6639376435. The cubic root of 8006998 is about 200.0582996708.

The spelling of 8006998 in words is "eight million, six thousand, nine hundred ninety-eight".

Divisors: 1 2 383 766 10453 20906 4003499 8006998