Search a number
-
+
47576493 = 325286277
BaseRepresentation
bin1011010101111…
…1010110101101
310022112010200100
42311133112231
544134421433
64415421313
71115251656
oct265372655
9108463610
1047576493
1124945a18
1213b24839
139b1a293
14646652d
15429bb13
hex2d5f5ad

47576493 has 6 divisors (see below), whose sum is σ = 68721614. Its totient is φ = 31717656.

The previous prime is 47576471. The next prime is 47576497. The reversal of 47576493 is 39467574.

It can be written as a sum of positive squares in only one way, i.e., 45198729 + 2377764 = 6723^2 + 1542^2 .

It is not a de Polignac number, because 47576493 - 212 = 47572397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47576497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2643130 + ... + 2643147.

Almost surely, 247576493 is an apocalyptic number.

It is an amenable number.

47576493 is a deficient number, since it is larger than the sum of its proper divisors (21145121).

47576493 is a wasteful number, since it uses less digits than its factorization.

47576493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286283 (or 5286280 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 47576493 is about 6897.5715291688. The cubic root of 47576493 is about 362.3521216882.

The spelling of 47576493 in words is "forty-seven million, five hundred seventy-six thousand, four hundred ninety-three".

Divisors: 1 3 9 5286277 15858831 47576493