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10533820 = 2251147881
BaseRepresentation
bin101000001011…
…101110111100
3201211011200111
4220023232330
510144040240
61013435404
7155351563
oct50135674
921734614
1010533820
115a45240
12363bb64
13224a83b
141582bda
15dd11ea
hexa0bbbc

10533820 has 24 divisors (see below), whose sum is σ = 24132528. Its totient is φ = 3830400.

The previous prime is 10533791. The next prime is 10533821. The reversal of 10533820 is 2833501.

It is a super-2 number, since 2×105338202 = 221922727584800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10533791 and 10533800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10533821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23721 + ... + 24160.

It is an arithmetic number, because the mean of its divisors is an integer number (1005522).

Almost surely, 210533820 is an apocalyptic number.

10533820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10533820 is an abundant number, since it is smaller than the sum of its proper divisors (13598708).

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

10533820 is a wasteful number, since it uses less digits than its factorization.

10533820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47901 (or 47899 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10533820 is about 3245.5846930869. The cubic root of 10533820 is about 219.2108087358.

The spelling of 10533820 in words is "ten million, five hundred thirty-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 47881 95762 191524 239405 478810 526691 957620 1053382 2106764 2633455 5266910 10533820