Search a number
-
+
1288098 = 232710223
BaseRepresentation
bin100111010011110100010
32102102221100
410322132202
5312204343
643335230
713643250
oct4723642
92372840
101288098
117aa849
12521516
133613b6
142575d0
151a69d3
hex13a7a2

1288098 has 24 divisors (see below), whose sum is σ = 3189888. Its totient is φ = 367992.

The previous prime is 1288061. The next prime is 1288099. The reversal of 1288098 is 8908821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4986 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (132912).

21288098 is an apocalyptic number.

1288098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1288098 is an abundant number, since it is smaller than the sum of its proper divisors (1901790).

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

1288098 is a wasteful number, since it uses less digits than its factorization.

1288098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238 (or 10235 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1288098 is about 1134.9440514845. The cubic root of 1288098 is about 108.8051959204.

The spelling of 1288098 in words is "one million, two hundred eighty-eight thousand, ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 10223 20446 30669 61338 71561 92007 143122 184014 214683 429366 644049 1288098