Search a number
-
+
428254853 = 1344973369
BaseRepresentation
bin11001100001101…
…010011010000101
31002211211121012212
4121201222122011
51334113123403
6110254553205
713420051265
oct3141523205
91084747185
10428254853
111aa814234
12bb508805
136a955150
1440c3b7a5
15278e54d8
hex1986a685

428254853 has 8 divisors (see below), whose sum is σ = 462231000. Its totient is φ = 394426368.

The previous prime is 428254843. The next prime is 428254873. The reversal of 428254853 is 358452824.

It can be written as a sum of positive squares in 4 ways, for example, as 6240004 + 422014849 = 2498^2 + 20543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-428254853 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 428254853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428254823) 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 7 ways as a sum of consecutive naturals, for example, 30848 + ... + 42521.

It is an arithmetic number, because the mean of its divisors is an integer number (57778875).

Almost surely, 2428254853 is an apocalyptic number.

It is an amenable number.

428254853 is a deficient number, since it is larger than the sum of its proper divisors (33976147).

428254853 is a wasteful number, since it uses less digits than its factorization.

428254853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73831.

The product of its digits is 307200, while the sum is 41.

The square root of 428254853 is about 20694.3193413072. The cubic root of 428254853 is about 753.7617543571.

The spelling of 428254853 in words is "four hundred twenty-eight million, two hundred fifty-four thousand, eight hundred fifty-three".

Divisors: 1 13 449 5837 73369 953797 32942681 428254853