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11255020 = 2257174729
BaseRepresentation
bin101010111011…
…110011101100
3210011210222121
4222323303230
510340130040
61041122324
7164444320
oct52736354
923153877
1011255020
116398077
1239293a4
132440b9a
1416cd980
15ec4c4a
hexabbcec

11255020 has 48 divisors (see below), whose sum is σ = 28607040. Its totient is φ = 3631104.

The previous prime is 11254979. The next prime is 11255021. The reversal of 11255020 is 2055211.

It is a junction number, because it is equal to n+sod(n) for n = 11254985 and 11255003.

It is not an unprimeable number, because it can be changed into a prime (11255021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16 + ... + 4744.

It is an arithmetic number, because the mean of its divisors is an integer number (595980).

Almost surely, 211255020 is an apocalyptic number.

11255020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11255020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14303520).

11255020 is an abundant number, since it is smaller than the sum of its proper divisors (17352020).

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

11255020 is a wasteful number, since it uses less digits than its factorization.

11255020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762 (or 4760 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 11255020 is about 3354.8502202036. The cubic root of 11255020 is about 224.1035607449.

The spelling of 11255020 in words is "eleven million, two hundred fifty-five thousand, twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 4729 9458 18916 23645 33103 47290 66206 80393 94580 132412 160786 165515 321572 331030 401965 562751 662060 803930 1125502 1607860 2251004 2813755 5627510 11255020