Search a number
-
+
485836491 = 3779292849
BaseRepresentation
bin11100111101010…
…100011011001011
31020212012001101010
4130331110123023
51443333231431
6120113055003
715016353630
oct3475243313
91225161333
10485836491
1122a273168
12116857463
137986641a
144874a187
152c9bb846
hex1cf546cb

485836491 has 16 divisors (see below), whose sum is σ = 749696000. Its totient is φ = 274105728.

The previous prime is 485836469. The next prime is 485836499. The reversal of 485836491 is 194638584.

It is not a de Polignac number, because 485836491 - 25 = 485836459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485836491.

It is not an unprimeable number, because it can be changed into a prime (485836499) 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 15 ways as a sum of consecutive naturals, for example, 144766 + ... + 148083.

It is an arithmetic number, because the mean of its divisors is an integer number (46856000).

Almost surely, 2485836491 is an apocalyptic number.

485836491 is a deficient number, since it is larger than the sum of its proper divisors (263859509).

485836491 is a wasteful number, since it uses less digits than its factorization.

485836491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292938.

The product of its digits is 829440, while the sum is 48.

The square root of 485836491 is about 22041.6989136500. The cubic root of 485836491 is about 786.1342366022.

The spelling of 485836491 in words is "four hundred eighty-five million, eight hundred thirty-six thousand, four hundred ninety-one".

Divisors: 1 3 7 21 79 237 553 1659 292849 878547 2049943 6149829 23135071 69405213 161945497 485836491