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BaseRepresentation
bin10110000001000100000000
3101212020001000
4112001010000
52434142040
6323412000
7100025406
oct26010400
911766030
105771520
113292257
121b24000
131271001
14aa3476
15790130
hex581100

5771520 has 144 divisors (see below), whose sum is σ = 20603520. Its totient is φ = 1529856.

The previous prime is 5771501. The next prime is 5771527. The reversal of 5771520 is 251775.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×57715202 = 66620886220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5771527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34477 + ... + 34643.

It is an arithmetic number, because the mean of its divisors is an integer number (143080).

Almost surely, 25771520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5771520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10301760).

5771520 is an abundant number, since it is smaller than the sum of its proper divisors (14832000).

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

5771520 is a wasteful number, since it uses less digits than its factorization.

5771520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 5771520 is about 2402.3988011985. The cubic root of 5771520 is about 179.3756144078.

The spelling of 5771520 in words is "five million, seven hundred seventy-one thousand, five hundred twenty".