Search a number
-
+
1028862 = 2352973
BaseRepresentation
bin11111011001011111110
31221021100000
43323023332
5230410422
634015130
711513412
oct3731376
91837300
101028862
11642aaa
124174a6
132a03c3
141cad42
15154cac
hexfb2fe

1028862 has 48 divisors (see below), whose sum is σ = 2424240. Its totient is φ = 326592.

The previous prime is 1028843. The next prime is 1028873. The reversal of 1028862 is 2688201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14058 + ... + 14130.

It is an arithmetic number, because the mean of its divisors is an integer number (50505).

21028862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212120).

1028862 is an abundant number, since it is smaller than the sum of its proper divisors (1395378).

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

1028862 is an equidigital number, since it uses as much as digits as its factorization.

1028862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1028862 is about 1014.3283492045. The cubic root of 1028862 is about 100.9529565578.

The spelling of 1028862 in words is "one million, twenty-eight thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 9 18 27 29 54 58 73 81 87 146 162 174 219 243 261 438 486 522 657 783 1314 1566 1971 2117 2349 3942 4234 4698 5913 6351 7047 11826 12702 14094 17739 19053 35478 38106 57159 114318 171477 342954 514431 1028862