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52530128 = 2474631013
BaseRepresentation
bin1100100001100…
…0101111010000
310122211210210022
43020120233100
5101421431003
65113523012
71205333030
oct310305720
9118753708
1052530128
1127719732
1215713468
13ab62c21
146d958c0
154929738
hex3218bd0

52530128 has 40 divisors (see below), whose sum is σ = 116683008. Its totient is φ = 22442112.

The previous prime is 52530109. The next prime is 52530139. The reversal of 52530128 is 82103525.

It is a junction number, because it is equal to n+sod(n) for n = 52530097 and 52530106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51350 + ... + 52362.

Almost surely, 252530128 is an apocalyptic number.

It is an amenable number.

52530128 is an abundant number, since it is smaller than the sum of its proper divisors (64152880).

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

52530128 is a wasteful number, since it uses less digits than its factorization.

52530128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 52530128 is about 7247.7671044260. The cubic root of 52530128 is about 374.5152325678.

The spelling of 52530128 in words is "fifty-two million, five hundred thirty thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 463 926 1013 1852 2026 3241 3704 4052 6482 7091 7408 8104 12964 14182 16208 25928 28364 51856 56728 113456 469019 938038 1876076 3283133 3752152 6566266 7504304 13132532 26265064 52530128