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11828420 = 225591421
BaseRepresentation
bin101101000111…
…110011000100
3211020221112122
4231013303010
511012002140
61101305112
7202353122
oct55076304
924227478
1011828420
11674995a
123b65198
1325b1b86
1417dc912
151089ab5
hexb47cc4

11828420 has 12 divisors (see below), whose sum is σ = 24839724. Its totient is φ = 4731360.

The previous prime is 11828407. The next prime is 11828423. The reversal of 11828420 is 2482811.

11828420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3161284 + 8667136 = 1778^2 + 2944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11828420.

It is not an unprimeable number, because it can be changed into a prime (11828423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295691 + ... + 295730.

It is an arithmetic number, because the mean of its divisors is an integer number (2069977).

Almost surely, 211828420 is an apocalyptic number.

11828420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11828420 is an abundant number, since it is smaller than the sum of its proper divisors (13011304).

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

11828420 is a wasteful number, since it uses less digits than its factorization.

11828420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591430 (or 591428 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 11828420 is about 3439.2470106115. The cubic root of 11828420 is about 227.8464391239.

The spelling of 11828420 in words is "eleven million, eight hundred twenty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 591421 1182842 2365684 2957105 5914210 11828420