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524240641 = 717383671
BaseRepresentation
bin11111001111110…
…100011100000001
31100112110011222001
4133033310130001
52033201200031
6124004144001
715663654241
oct3717643401
91315404861
10524240641
11249a13831
12127698001
13847c1782
144d8a5b21
1531055861
hex1f3f4701

524240641 has 4 divisors (see below), whose sum is σ = 531624384. Its totient is φ = 516856900.

The previous prime is 524240599. The next prime is 524240663. The reversal of 524240641 is 146042425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 524240641 - 211 = 524238593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524240681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3691765 + ... + 3691906.

It is an arithmetic number, because the mean of its divisors is an integer number (132906096).

Almost surely, 2524240641 is an apocalyptic number.

It is an amenable number.

524240641 is a deficient number, since it is larger than the sum of its proper divisors (7383743).

524240641 is an equidigital number, since it uses as much as digits as its factorization.

524240641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383742.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 524240641 is about 22896.3019066399. The cubic root of 524240641 is about 806.3251919857.

It can be divided in two parts, 524 and 240641, that added together give a triangular number (241165 = T694).

The spelling of 524240641 in words is "five hundred twenty-four million, two hundred forty thousand, six hundred forty-one".

Divisors: 1 71 7383671 524240641