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52903780 = 2252645189
BaseRepresentation
bin1100100111001…
…1111101100100
310200112210100021
43021303331210
5102020410110
65125524524
71211450266
oct311637544
9120483307
1052903780
1127954436
1215873744
13ac64017
147051b36
1549a02da
hex3273f64

52903780 has 12 divisors (see below), whose sum is σ = 111097980. Its totient is φ = 21161504.

The previous prime is 52903751. The next prime is 52903831. The reversal of 52903780 is 8730925.

It can be written as a sum of positive squares in 2 ways, for example, as 13264164 + 39639616 = 3642^2 + 6296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322575 + ... + 1322614.

It is an arithmetic number, because the mean of its divisors is an integer number (9258165).

Almost surely, 252903780 is an apocalyptic number.

It is an amenable number.

52903780 is an abundant number, since it is smaller than the sum of its proper divisors (58194200).

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

52903780 is a wasteful number, since it uses less digits than its factorization.

52903780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645198 (or 2645196 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 52903780 is about 7273.4984704749. The cubic root of 52903780 is about 375.4011233730.

The spelling of 52903780 in words is "fifty-two million, nine hundred three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 2645189 5290378 10580756 13225945 26451890 52903780