Search a number
-
+
428291453 = 4161317041
BaseRepresentation
bin11001100001110…
…011010101111101
31002211220110102102
4121201303111331
51334120311303
6110255434445
713420263062
oct3141632575
91084813372
10428291453
111aa839787
12bb525a25
136a9689c5
1440c4ac69
1527901288
hex1987357d

428291453 has 8 divisors (see below), whose sum is σ = 439479096. Its totient is φ = 417139200.

The previous prime is 428291419. The next prime is 428291467. The reversal of 428291453 is 354192824.

It can be written as a sum of positive squares in 4 ways, for example, as 91204 + 428200249 = 302^2 + 20693^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 428291453 - 26 = 428291389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428291953) 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 7 ways as a sum of consecutive naturals, for example, 16613 + ... + 33653.

It is an arithmetic number, because the mean of its divisors is an integer number (54934887).

Almost surely, 2428291453 is an apocalyptic number.

It is an amenable number.

428291453 is a deficient number, since it is larger than the sum of its proper divisors (11187643).

428291453 is a wasteful number, since it uses less digits than its factorization.

428291453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17695.

The product of its digits is 69120, while the sum is 38.

The square root of 428291453 is about 20695.2036230620. The cubic root of 428291453 is about 753.7832266915.

The spelling of 428291453 in words is "four hundred twenty-eight million, two hundred ninety-one thousand, four hundred fifty-three".

Divisors: 1 41 613 17041 25133 698681 10446133 428291453