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1028196 = 2232134
BaseRepresentation
bin11111011000001100100
31221020102100
43323001210
5230400241
634012100
711511441
oct3730144
91836370
101028196
11642554
12417030
132a0000
141ca9c8
151549b6
hexfb064

1028196 has 45 divisors (see below), whose sum is σ = 2815631. Its totient is φ = 316368.

The previous prime is 1028191. The next prime is 1028201. The reversal of 1028196 is 6918201.

The square root of 1028196 is 1014.

It is a perfect power (a square), and thus also a powerful number.

1028196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1028191) and next prime (1028201).

It can be written as a sum of positive squares in 2 ways, for example, as 509796 + 518400 = 714^2 + 720^2 .

It is not an unprimeable number, because it can be changed into a prime (1028191) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 79086 + ... + 79098.

21028196 is an apocalyptic number.

1028196 is the 1014-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028196

1028196 is an abundant number, since it is smaller than the sum of its proper divisors (1787435).

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

1028196 is an equidigital number, since it uses as much as digits as its factorization.

1028196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The cubic root of 1028196 is about 100.9311689965.

The spelling of 1028196 in words is "one million, twenty-eight thousand, one hundred ninety-six".