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52573648 = 2415720929
BaseRepresentation
bin1100100010001…
…1010111010000
310122221000111011
43020203113100
5101424324043
65114500304
71205603641
oct310432720
9118830434
1052573648
11277493a6
1215734694
13ab7998a
146da76c8
15493759d
hex32235d0

52573648 has 20 divisors (see below), whose sum is σ = 102515140. Its totient is φ = 26118144.

The previous prime is 52573567. The next prime is 52573657. The reversal of 52573648 is 84637525.

52573648 = T217 + T218 + ... + T687.

It can be written as a sum of positive squares in 2 ways, for example, as 22014864 + 30558784 = 4692^2 + 5528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52573648.

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 3 ways as a sum of consecutive naturals, for example, 7953 + ... + 12976.

It is an arithmetic number, because the mean of its divisors is an integer number (5125757).

Almost surely, 252573648 is an apocalyptic number.

It is an amenable number.

52573648 is a deficient number, since it is larger than the sum of its proper divisors (49941492).

52573648 is a wasteful number, since it uses less digits than its factorization.

52573648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21094 (or 21088 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 52573648 is about 7250.7687868253. The cubic root of 52573648 is about 374.6186297643.

The spelling of 52573648 in words is "fifty-two million, five hundred seventy-three thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 157 314 628 1256 2512 20929 41858 83716 167432 334864 3285853 6571706 13143412 26286824 52573648