[go: up one dir, main page]

Search a number
-
+
428283529 = 2318621023
BaseRepresentation
bin11001100001110…
…001011010001001
31002211220001112221
4121201301122021
51334120033104
6110255334041
713420231012
oct3141613211
91084801487
10428283529
111aa833833
12bb521321
136a96520b
1440c48009
15278edc54
hex19871689

428283529 has 4 divisors (see below), whose sum is σ = 446904576. Its totient is φ = 409662484.

The previous prime is 428283521. The next prime is 428283539. The reversal of 428283529 is 925382824.

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 428283529 - 23 = 428283521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428283521) 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 3 ways as a sum of consecutive naturals, for example, 9310489 + ... + 9310534.

It is an arithmetic number, because the mean of its divisors is an integer number (111726144).

Almost surely, 2428283529 is an apocalyptic number.

It is an amenable number.

428283529 is a deficient number, since it is larger than the sum of its proper divisors (18621047).

428283529 is a wasteful number, since it uses less digits than its factorization.

428283529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18621046.

The product of its digits is 276480, while the sum is 43.

The square root of 428283529 is about 20695.0121768507. The cubic root of 428283529 is about 753.7785779762.

The spelling of 428283529 in words is "four hundred twenty-eight million, two hundred eighty-three thousand, five hundred twenty-nine".

Divisors: 1 23 18621023 428283529