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1028030 = 25223461
BaseRepresentation
bin11111010111110111110
31221020012012
43322332332
5230344110
634011222
711511113
oct3727676
91836165
101028030
11642413
12416b12
1329cc03
141ca90a
15154905
hexfafbe

1028030 has 16 divisors (see below), whose sum is σ = 1862784. Its totient is φ = 408480.

The previous prime is 1028029. The next prime is 1028047. The reversal of 1028030 is 308201.

It is a junction number, because it is equal to n+sod(n) for n = 1027996 and 1028014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (116424).

21028030 is an apocalyptic number.

1028030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028030 is a deficient number, since it is larger than the sum of its proper divisors (834754).

1028030 is a wasteful number, since it uses less digits than its factorization.

1028030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1028030 is about 1013.9181426526. The cubic root of 1028030 is about 100.9257369985.

The spelling of 1028030 in words is "one million, twenty-eight thousand, thirty".

Divisors: 1 2 5 10 223 446 461 922 1115 2230 2305 4610 102803 205606 514015 1028030