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52706740 = 2254721193
BaseRepresentation
bin1100100100001…
…1110110110100
310200011210001111
43021003312310
5101443103430
65121404404
71206666652
oct311036664
9120153044
1052706740
112782a399
1215799704
13abc5428
146ddddd2
154961c2a
hex3243db4

52706740 has 36 divisors (see below), whose sum is σ = 113184036. Its totient is φ = 20616832.

The previous prime is 52706723. The next prime is 52706747. The reversal of 52706740 is 4760725.

52706740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22982436 + 29724304 = 4794^2 + 5452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52706747) 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 11 ways as a sum of consecutive naturals, for example, 43584 + ... + 44776.

It is an arithmetic number, because the mean of its divisors is an integer number (3144001).

Almost surely, 252706740 is an apocalyptic number.

It is an amenable number.

52706740 is an abundant number, since it is smaller than the sum of its proper divisors (60477296).

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

52706740 is a wasteful number, since it uses less digits than its factorization.

52706740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 52706740 is about 7259.9407711083. The cubic root of 52706740 is about 374.9344833690.

The spelling of 52706740 in words is "fifty-two million, seven hundred six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 1193 2209 2386 4418 4772 5965 8836 11045 11930 22090 23860 44180 56071 112142 224284 280355 560710 1121420 2635337 5270674 10541348 13176685 26353370 52706740