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3890529 = 32432281
BaseRepresentation
bin1110110101110101100001
321022122210200
432311311201
51443444104
6215215413
745032436
oct16656541
97278720
103890529
112218015
121377569
13a62ab6
14733b8d
1551cb39
hex3b5d61

3890529 has 6 divisors (see below), whose sum is σ = 5619666. Its totient is φ = 2593680.

The previous prime is 3890527. The next prime is 3890543. The reversal of 3890529 is 9250983.

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 1782225 = 1452^2 + 1335^2 .

It is not a de Polignac number, because 3890529 - 21 = 3890527 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3890493 and 3890502.

It is not an unprimeable number, because it can be changed into a prime (3890521) 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 5 ways as a sum of consecutive naturals, for example, 216132 + ... + 216149.

It is an arithmetic number, because the mean of its divisors is an integer number (936611).

Almost surely, 23890529 is an apocalyptic number.

It is an amenable number.

3890529 is a deficient number, since it is larger than the sum of its proper divisors (1729137).

3890529 is a wasteful number, since it uses less digits than its factorization.

3890529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432287 (or 432284 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 3890529 is about 1972.4423945961. The cubic root of 3890529 is about 157.2785701672.

The spelling of 3890529 in words is "three million, eight hundred ninety thousand, five hundred twenty-nine".

Divisors: 1 3 9 432281 1296843 3890529