Search a number
-
+
485430481 = 769631249
BaseRepresentation
bin11100111011110…
…001010011010001
31020211102102102201
4130323301103101
51443232233411
6120100243201
715013043134
oct3473612321
91224372381
10485430481
1122a016118
121166a0501
1379753693
144868221b
152c93b3c1
hex1cef14d1

485430481 has 4 divisors (see below), whose sum is σ = 486062500. Its totient is φ = 484798464.

The previous prime is 485430469. The next prime is 485430493. The reversal of 485430481 is 184034584.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (485430469) and next prime (485430493).

It can be written as a sum of positive squares in 2 ways, for example, as 63744256 + 421686225 = 7984^2 + 20535^2 .

It is a cyclic number.

It is not a de Polignac number, because 485430481 - 27 = 485430353 is a prime.

It is a super-2 number, since 2×4854304812 = 471285503767782722, which contains 22 as substring.

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 485430481.

It is not an unprimeable number, because it can be changed into a prime (485410481) 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, 314856 + ... + 316393.

It is an arithmetic number, because the mean of its divisors is an integer number (121515625).

Almost surely, 2485430481 is an apocalyptic number.

It is an amenable number.

485430481 is a deficient number, since it is larger than the sum of its proper divisors (632019).

485430481 is an equidigital number, since it uses as much as digits as its factorization.

485430481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632018.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 485430481 is about 22032.4869454177. The cubic root of 485430481 is about 785.9151866953.

The spelling of 485430481 in words is "four hundred eighty-five million, four hundred thirty thousand, four hundred eighty-one".

Divisors: 1 769 631249 485430481