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11028260 = 2251393967
BaseRepresentation
bin101010000100…
…011100100100
3202202021221002
4222010130210
510310401020
61032212432
7162511235
oct52043444
922667832
1011028260
116252771
12383a118
1323918c9
14167108c
15e7c975
hexa84724

11028260 has 24 divisors (see below), whose sum is σ = 23331840. Its totient is φ = 4378464.

The previous prime is 11028239. The next prime is 11028271. The reversal of 11028260 is 6282011.

11028260 = T131 + T132 + ... + T408.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 797 + ... + 4763.

It is an arithmetic number, because the mean of its divisors is an integer number (972160).

Almost surely, 211028260 is an apocalyptic number.

11028260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11028260 is an abundant number, since it is smaller than the sum of its proper divisors (12303580).

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

11028260 is a wasteful number, since it uses less digits than its factorization.

11028260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11028260 is about 3320.8824128535. The cubic root of 11028260 is about 222.5882997596.

The spelling of 11028260 in words is "eleven million, twenty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 3967 7934 15868 19835 39670 79340 551413 1102826 2205652 2757065 5514130 11028260