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8288990 = 25828899
BaseRepresentation
bin11111100111101011011110
3120121010100122
4133213223132
54110221430
6453354542
7130312103
oct37475336
916533318
108288990
114751706
122938a52
131942b38
14115aaaa
15adaee5
hex7e7ade

8288990 has 8 divisors (see below), whose sum is σ = 14920200. Its totient is φ = 3315592.

The previous prime is 8288977. The next prime is 8289023. The reversal of 8288990 is 998828.

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

It is a plaindrome in base 14.

It is a congruent number.

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, 414440 + ... + 414459.

It is an arithmetic number, because the mean of its divisors is an integer number (1865025).

Almost surely, 28288990 is an apocalyptic number.

8288990 is a deficient number, since it is larger than the sum of its proper divisors (6631210).

8288990 is a wasteful number, since it uses less digits than its factorization.

8288990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828906.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 8288990 is about 2879.0606106854. The cubic root of 8288990 is about 202.3798199662.

The spelling of 8288990 in words is "eight million, two hundred eighty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 828899 1657798 4144495 8288990