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5626820 = 225353797
BaseRepresentation
bin10101011101101111000100
3101120212112202
4111131233010
52420024240
6320334032
765553503
oct25355704
911525482
105626820
1131a3571
121a74318
1312201a4
14a6683a
15762315
hex55dbc4

5626820 has 24 divisors (see below), whose sum is σ = 11864664. Its totient is φ = 2241536.

The previous prime is 5626807. The next prime is 5626837. The reversal of 5626820 is 286265.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 5234944 = 626^2 + 2288^2 .

It is a super-2 number, since 2×56268202 = 63322206624800, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

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, 6662 + ... + 7458.

It is an arithmetic number, because the mean of its divisors is an integer number (494361).

Almost surely, 25626820 is an apocalyptic number.

It is an amenable number.

5626820 is an abundant number, since it is smaller than the sum of its proper divisors (6237844).

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

5626820 is a wasteful number, since it uses less digits than its factorization.

5626820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 5626820 is about 2372.0919037845. The cubic root of 5626820 is about 177.8638440327.

It can be divided in two parts, 5626 and 820, that added together give a palindrome (6446).

The spelling of 5626820 in words is "five million, six hundred twenty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 353 706 797 1412 1594 1765 3188 3530 3985 7060 7970 15940 281341 562682 1125364 1406705 2813410 5626820